IMAGING DIAGNOSTIC SYSTEMS INC /FL/
POS AM, 1999-12-08
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 8, 1999
                         COMMISSION FILE NO.: 333-60405

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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549
                                _______________

                         POST-EFFECTIVE AMENDMENT NO. 2
                                   TO FORM S-2
                          REGISTRATION STATEMENT UNDER
                           THE SECURITIES ACT OF 1933
                                _______________

                        IMAGING DIAGNOSTIC SYSTEMS, INC.

             (Exact Name of Registrant As Specified In Its Charter)

      Florida                       3845                        22-2671269
(State of Incorporation) (Primary Standard Industrial  IRS Employer I.D. Number)
                          Classification Code Number)

                               6531 NW 18TH COURT
                            PLANTATION, FLORIDA 33313
                                 (954) 581-9800
                             ______________________
          (Address, including zip code and telephone number, including
             area code of registrant's principal executive offices)

                           Linda B. Grable, President
                        IMAGING DIAGNOSTIC SYSTEMS, INC.
                               6531 NW 18TH COURT
                            PLANTATION, FLORIDA 33313
                                 (954) 581-9800
            (Name, address and telephone number of Agent for Service)

                                    Copy to:
                         Christopher S. Auguste, Esquire
                      Parker, Chapin, Flattau & Klimpl, LLP
                           1211 Avenue of the Americas
                            New York, New York 10036
                               Tel: (212) 704-6000
                               Fax: (212) 704-6288

APPROXIMATE  DATE OF COMMENCEMENT  OF PROPOSED SALE TO THE PUBLIC:  From time to
time, at the discretion of the selling  shareholders after the effective date of
this Registration Statement.

If any of the  securities  being  registered on this form are to be offered on a
delayed or continuous  basis  pursuant to Rule 415 under the  Securities  Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box. [X]

If the  registrant  elects to deliver its latest  Form  10-KSB,  as amended,  to
security holders or a complete and legible facsimile  thereof,  pursuant to Item
11.(a)(1) of this Form, check the following box. [X]

If the registrant elects to deliver its latest Form 10-QSB,  as amended,  to the
security holder or a complete and legible  facsimile  thereof,  pursuant to Item
11.(a)(2)(ii) of this Form, check the following box. [X]

If this Form is a  post-effective  amendment filed pursuant to Rule 462(c) under
the  Securities  Act,  check  the  following  box and  list the  Securities  Act
registration number of the earlier effective registration statement for the same
offering. [_]


<PAGE>


                         CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>

TITLE OF SECURITIES BEING REGISTERED       AMOUNT TO BE     PROPOSED MAXIMUM     PROPOSED MAXIMUM     AMOUNT OF
                                           REGISTERED       OFFERING PRICE PER   AGGREGATE            REGISTRATION
                                                            SHARE (1)            OFFERING PRICE (1)   FEE
<S>                                          <C>                    <C>                   <C>               <C>
COMMON STOCK, NO PAR VALUE                    5,349,458           $.2969           $1,588,254.08         $ 481.29
COMMON STOCK, NO PAR, ISSUABLE UPON
CONVERSION OF THE SERIES B PREFERRED
STOCK (2)(3)                                 16,016,427           $.2969           $4,755,277.18        $1,440.99
COMMON STOCK, NO PAR, ISSUABLE UPON
CONVERSION OF THE SERIES G PREFERRED
STOCK (2)(3)                                  1,801,803           $.2969             $534,955.31         $ 162.11
COMMON STOCK, NO PAR, ISSUABLE UPON
CONVERSION OF THE SERIES H PREFERRED
STOCK (2)(3)                                  3,038,020           $.2969             $901,988.14         $ 273.33
COMMON STOCK, NO PAR, ISSUABLE UPON
CONVERSION OF THE SERIES I PREFERRED
STOCK (2)(3)                                  5,947,763           $.2969           $1,765,890.83         $ 532.12
COMMON STOCK, NO PAR, ISSUABLE UPON
CONVERSION OF THE CONVERTIBLE
DEBENTURE (2)(3)                              4,740,971           $.2969           $1,407,594.29         $ 426.54
COMMON STOCK, NO PAR VALUE, ISSUABLE
UPON EXERCISE OF WARRANTS (2)(3)                190,625           $.2969              $56,596.56          $ 17.15
        TOTAL (4) (5)                        37,085,067           $.2969          $11,010,556.39        $3,336.53
</TABLE>


(1) Estimated  solely for purposes of calculating the registration fee according
to Rule 457(c) of the  Securities  Act of 1933, as amended,  on the basis of the
average bid and ask price of our common stock on the NASDAQ Electronic  Bulletin
Board on July 27, 1999.
(2) According to Rule 416 contained in the  Securities  Act of 1933, as amended,
this Registration Statement also covers such indeterminable additional shares of
common  stock  as may be  issuable,  as a  result  of any  future  anti-dilution
adjustments  made in  accordance  with  the  terms of our  Series  B, G, H and I
convertible  preferred  stock and the  warrants.  In the event  that the  shares
registered  in  this   prospectus  are   insufficient  to  meet  the  conversion
requirement  at the actual time of conversion,  we will file a new  registration
statement to register the additional shares.
(3) According to the amended terms of the Registration  Rights Agreement between
us and the Series H preferred  holder,  and the Registration  Rights  Agreements
with the Series B, G, I and the debenture  holders,  the amount being registered
is 100% of the  number  of shares  that  would be  required  to be issued if the
preferred  stock and  debentures  were converted on the day before the filing of
the Registration Statement.
(4) All of the shares of common stock registered in this prospectus will be sold
by the selling security holders. In the event that the shares registered in this
prospectus are  insufficient  to meet the  conversion  requirement at the actual
time of conversion,  we will file a new  registration  statement to register the
additional shares.
(5) A filing fee of $4,283.70 was paid in connection  with the initial filing of
the Registration Statement and Amendment No. 2.

We will  amend  this  Registration  Statement  on such  date or  dates as may be
necessary  which may delay its effective date until we file a further  amendment
which  specifically  states that this  Registration  Statement shall  thereafter
become  effective in accordance  with Section 8(a) of the Securities Act of 1933
or until this Registration  Statement shall become effective on such date as the
Commission, acting according to Section 8(a), may determine.


<PAGE>



The  information  in this  prospectus is not complete and may be changed.  These
securities  may not be sold  until the  registration  statement  filed  with the
Securities and Exchange Commission is effective. This prospectus is not an offer
to sell these  securities and is not seeking an offer to buy these securities in
any state where the offer or sale is not permitted.

                SUBJECT TO COMPLETION, DATED _____________, 1999

                                   PROSPECTUS

                        IMAGING DIAGNOSTIC SYSTEMS, INC.

                        37,085,067 shares of common stock

         The  shares of common  stock  offered by this  prospectus  are
         being sold by the  stockholders  listed in the section of this
         prospectus called "selling stockholders".  We will not receive
         any proceeds from the sale of these  shares.  We could receive
         up to  $182,812.50  in proceeds  from the  exercise of 190,625
         warrants, the underlying shares of which we are registering in
         this prospectus,  by the selling stockholders,  which proceeds
         would be used for general corporate  purposes.  As of the date
         of  this   prospectus,   none  of  these  warrants  have  been
         exercised.

         Our common stock is traded on the OTC Bulletin Board under the
         symbol "IMDS".

         On December 7, 1999, the closing bid price of our common stock
         on the OTC Bulletin Board was $0.305.


         The  securities  offered in this  prospectus  involve a high  degree of
risk.  You should  carefully  consider the factors  described  under the heading
"Risk Factors" beginning on page 8 of this prospectus.

                        _________________________________


         Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved these  securities,  or determined if this
prospectus  is truthful or  complete.  Any  representation  to the contrary is a
criminal offense.

                        _________________________________



                 The date of this prospectus is __________, 1999


<PAGE>


                                Table Of Contents
<TABLE>
<CAPTION>
<S>                                                                                                    <C>
Where You Can Find More Information......................................................................3


Incorporation of Certain Documents by Reference..........................................................3

Forward-Looking Statements...............................................................................3

Prospectus Summary.......................................................................................4

The Offering.............................................................................................7

Risk Factors.............................................................................................8

Information With Respect to the Registrant..............................................................21

Management's Discussion and Analysis of Financial Condition and Results of Operation....................21

Material Changes........................................................................................22

Summary of Compensation Table...........................................................................22

Option/SAR Grants in Last Fiscal Year...................................................................22

Security Ownership of Certain Beneficial Owners and Management..........................................23

Certain Relationships and Related Transactions..........................................................24

Sale of Unregistered Securities.........................................................................25

Price Range of Common Stock.............................................................................34

Dividend Policy.........................................................................................35

Selling Security Holders................................................................................35

Use of Proceeds.........................................................................................38

Plan of Distribution....................................................................................38

Description of Securities...............................................................................39

Disclosure of Commission Position on Indemnification for Securities and Liabilities.....................40

Experts  ...............................................................................................40

Legal Opinion...........................................................................................40

Financial Information...................................................................................41
</TABLE>


<PAGE>



                       Where You Can Find More Information

We have  filed  with  the SEC a  Registration  Statement  on Form  S-2  with all
amendments and exhibits under the Securities Act of 1933, as amended, concerning
the common stock offered in this  prospectus.  This  prospectus does not contain
all of the information contained in the registration  statement. We have omitted
parts of the registration statement in accordance with the rules and regulations
of the SEC. For further information with respect to IDSI and our securities, you
should  refer  to  the  registration  statement,  including  its  schedules  and
exhibits.  Statements  contained  in this  prospectus  as to the contents of any
contract or other document are not  necessarily  complete and, in each instance,
you  should  refer  to the  copy of the  filed  contract  or  document  which is
qualified  in all  respects  by such  reference.  You may  obtain  copies of the
registration statement from the SEC's principal office in Washington,  D.C. upon
payment of the fees  prescribed by the SEC, or you may examine the  registration
statement without charge at the offices of the SEC described below.

We have filed annual, quarterly and special reports, proxy statements, and other
information  with the SEC.  You may  read and copy any  document  we file at the
SEC's public  reference  rooms at 450 Fifth Street,  NW,  Washington,  DC 20549.
Please call the SEC at  1-800-SEC-0330  for further  filing  information on then
public  reference rooms. Our SEC filings are also available to the public on the
SEC's website at http://www.sec.gov.

                 Incorporation Of Certain Documents By Reference

The SEC allows us to  "incorporate  by reference" the  information  that we file
with it, meaning we can disclose  important  information to you by referring you
to those documents already on file with the SEC. The information incorporated by
reference is considered to be part of this  prospectus,  and information that we
file  later  with  the  SEC  will   automatically   update  and  supersede  this
information. We incorporate by reference the following documents:

     1. Our annual report on Form 10-KSB for the year ended June 30, 1998, filed
        on October 13, 1998, amended on April 12, 1999 and July 23, 1999.
     2. Our annual  report on Form 10-KSB for the year ended June 30, 1999,
        filed on October 12,  1999.
     3. Our  quarterly  reports on Form 10-QSB for the  following fiscal
        quarters:
          (a) September 30, 1999,  filed on November 17, 1999;
          (b) March 31, 1999, filed May 20,1999 and amended on July 22, 1999;
          (c) December 31, 1998, filed on February  19,1999 and amended on
              May 21, 1999; and
          (d) September 30, 1998, filed on November 13, 1999 and amended on
              April 21, 1999.

We also  incorporate  by  reference  any future  filings made with the SEC under
Sections 13 (a), 13 (c), 14 or 15 (d) of the Securities Act of 1934, as amended,
prior to the termination of the offering to which this prospectus relates.

You may  request  a copy of any of these  filings,  at no cost,  by  writing  or
calling us at the following address:

                  Imaging Diagnostic Systems, Inc.
                  6531 NW 18th Court
                  Plantation, Florida 33313.
                  Telephone number (954) 581-9800.
                  Attn:  Investor Relations

                           Forward-Looking Statements

This  prospectus   contains  some   forward-looking   statements  which  involve
substantial  risks  and  uncertainties.  These  forward-looking  statements  can
generally be identified by the use of forward-looking  words like "may," "will,"
"except,"  "anticipate,"  "intend,"  "estimate,"  "continue," "believe" or other
similar  words.  Similarly,  statements  that describe our future  expectations,
objectives and goals or contain  projections of our future results of operations
or financial condition are also forward-looking  statements. Our future results,
performance or  achievements  could differ  materially  from those  expressed or
implied in these  forward-looking  statements  as a result of  certain  factors,
including those listed under the heading "Risk Factors" and in other  cautionary
statements in this prospectus.

                               Prospectus Summary

         This  summary  highlights  information  in this  document.  You  should
carefully review the more detailed information and financial statements included
in this  document.  The summary is not  complete  and may not contain all of the
information  you may need to consider  before  investing in our common stock. We
urge you to carefully read this  document,  including the "Risk Factors" and the
financial statements and their accompanying notes.

                                   The Company

Overview

We, Imaging Diagnostic Systems,  Inc., are a medical technology company that has
developed and is testing a Computed Tomography Laser Mammography  (CTLM(TM)) for
detecting  breast  cancer  through  the skin in a  non-invasive  procedure.  The
CTLM(TM)  employs a laser and  proprietary  scanning  technology  to detect  and
analyze  tissue in the  breast for  indicia of  malignancy  or  benignancy.  The
components  of the laser system are  purchased  from two  unrelated  parties and
assembled and installed into the CTLM(TM) by us.

In connection with the CTLM(TM)  clinical  trials,  we are developing a clinical
atlas of the optical properties of benign and malignant tissues. The CTLM(TM) is
designed to provide the physician with objective visual data for  interpretation
and further clinical  analysis.  Accordingly,  we believe that the CTLM(TM) will
improve early diagnosis,  reduce diagnostic  uncertainty and decrease the number
of biopsies performed on benign breast lesions.

History

During our first year of operations,  we researched the interaction between high
speed,  rapid  pulsed  laser  technology  and  various  detection   technologies
associated with standard computed tomographic  schemes.  This research was based
upon a prototype  that was  developed  by Richard  Grable,  our Chief  Executive
Officer, prior to his association with us. During June of 1995, Mr. Grable filed
a patent for this  prototype,  which was able to create  images of a breast.  We
refined  various  software and hardware  configurations  and  components  of the
device  based on these first  images and have filed a total of twelve  ancillary
United States patents to the original patent since 1996.

In November 1995, we began discussions with Strax Breast Diagnostic Institute to
conduct clinical trials at their facility.  The original CTLM(TM) prototype used
an Argon pump laser, which required a 6-ton water chiller.  In December 1995, we
learned of a new type of pump laser  using  diodes  being  developed  by Spectra
Physics  Lasers.  This new laser was powered by a standard  110-volt  outlet and
only  required  a small  portable  chiller  to cool  the  crystal.  Rather  than
continuing to develop the CTLM(TM) with a laser that required massive cooling we
decided to wait for  delivery of the first Solid State Diode Pump laser  package
from Spectra-Physics.  The lasers were delivered on January 24, 1996. Because it
was the first of its kind, many  modifications had to be made by Spectra-Physics
field  engineers  to the lasers  before it would  operate to  specification.  We
immediately began  re-engineering  the CTLM(TM) to integrate this new laser into
its system.

After  extensive  testing  of the  laser  system,  we  designed  and  built  two
pre-production   CTLM(TM)  scanners.  In  addition  to  the  change  in  lasers,
modifications were made in both the detection scheme and software.

On  December  12,  1995,  we had a  preliminary  meeting  with the Food and Drug
Administration  (FDA) to generally  discuss the approach we would take to obtain
marketing  clearance  for our  CTLM(TM).  We were  advised that we would need to
submit and have approved a pre-market  approval  application  in order to obtain
marketing  clearance for the device.  We were also advised that we would need to
submit an  investigational  device exemption  application to the FDA in order to
commence  human  clinical  trials  of  the  device.  An  investigational  device
exemption  allows a company to conduct human  clinical  trials without filing an
application for marketing clearance.

We submitted our  investigational  device  exemption  application  on January 8,
1996, and it was approved on February 9, 1996.  During calendar year 1996, among
other  matters,  we  further  refined  the  detection  scheme  and  laser  power
configuration in order to obtain substantially better image quality. In order to
incorporate  the changes,  we were required to submit to the FDA an amendment to
our   investigational   device   exemption   application.   With   the   amended
investigational device exemption,  we were authorized to scan 50 patients at the
Strax  Breast  Diagnostic  Center  in  Lauderhill,  Florida,  and 20  additional
patients at our  in-house  facility.  The  CTLM(TM)  was  installed  at Strax in
November  1996,  and three  patients  were  scanned.  After  scanning  the three
patients at Strax, we learned of a different type of laser,  which could be used
in  conjunction  with  the  new  Solid  State  Diode  Pump  laser  package  from
Spectra-Physics.  We believed that this additional laser component would greatly
increase  the  performance  and image  quality  of the  CTLM(TM).  We halted the
clinical  trials at Strax in December 1996 and planned to resume the study after
the second system modification.

Because of the  extensive  re-engineering  and design and the delay in receiving
the new laser  components  to be integrated  into the system,  we were unable to
complete and test the new system in a timely manner. In fact, the first of these
new components was not received until October 1997.  Strax was unwilling to wait
until  the  engineering   modifications   were  completed   unless  it  received
compensation for the CTLM(TM) remaining on its premises. In November 1997, Strax
requested  that the  CTLM(TM) be removed  from its  premises.  The  CTLM(TM) was
removed from Strax in November  1997. On May 20, 1998,  our  termination  of the
investigational  device exemption  protocol and our final report was accepted by
the FDA.

In  February  1996,  we  entered  into a letter  of intent  with an  independent
distributor  to  place  a  CTLM(TM)  at  the  Moscow   Research   Institute  for
Diagnostics. The letter of intent is still in place, however, due to the further
advances in laser  technology,  the purchase of the new laser system from Strax,
the  modification  and the redesign of the CTLM(TM)  hardware and software,  the
actual placement of the CTLM(TM) has been delayed.

In June 1998, our second  investigational  device exemption was granted. We were
authorized to scan 20 patients at our in-house facilities in Plantation, Florida
and upon FDA approval,  at three  additional  clinical sites. On September 1 and
September 10, 1998, we formally  submitted the first and second series of the 20
patient in-vivo (human) images and corresponding interpretation data to the FDA.

The FDA responded to the submission on October 1998, asking that we limit future
submissions to significant  findings,  milestones,  annual reports,  and changes
that may affect the safety of the CTLM(TM).  We scanned 20 women at our in-house
facility.  These scans produced no significant  findings,  milestones or changes
that  would  effect  the  safety of the  CTLM(TM)  so there  were no  additional
submissions  to the FDA  except  for the  request  to expand the study to Nassau
County Medical Center.

We made a request  to the FDA that we be  permitted  to expand  the scope of our
study to include a medical facility where access to women with breast cancer was
more practical. Nassau County Medical Center was chosen because of the unusually
high incidence of breast cancer in the population it serves. It is reported that
1 woman in 7 will  experience  breast cancer if they live in the geographic area
served by that hospital.  Also Nassau County Medical Center  represented that it
performed a significant  number of breast surgeries each week, which we expected
to provide a relatively constant supply of histologically confirmed cases.

On  January  14,  1999,  we  received  notice  that the  investigational  device
exemption  application  to extend the  in-vivo  study to Nassau  County  Medical
Center was  conditionally  approved.  We  immediately  supplied  the  additional
documentation  required by the FDA, and the FDA  conditions  were complied with.
The investigational device exemption application was limited to one institution,
Nassau County Medical Center,  and 275 subjects.  We had originally  intended to
have the CTLM(TM)  positioned at Nassau County  Medical Center no later than mid
February 1999,  however due to renovations at Nassau County Medical Center,  the
delivery of the CTLM(TM) was postponed until the renovations were completed.  On
March 3, 1999 the CTLM(TM)  system was shipped to Nassau County Medical  Center.
After several  administrative  problems,  on June 21, 1999, we received  written
representation  from  Nassau  County  that we could  begin the  clinical  trials
pursuant to the original  investigational  device  exemption  and the payment of
reasonable  and  customary  charges for a  three-month  study.  On July 8, 1999,
Nassau County began scanning patients for the clinical trials.

On June 12, 1997, our patent counsel advised us that Mr. Grable's patent,  filed
June 5, 1995, "Diagnostic Tomographic Laser Imaging Apparatus," was granted with
4 independent and 24 subordinate claims. The independent claims serve to provide
an overall outline of the disclosure of the invention.  The  subordinate  claims
provide additional information to identify pertinent details of the invention as
they relate to the respective specific independent claim.

In May 1998, we, realizing that we had no formal written agreement in place with
Mr.  Grable,  began  negotiating  with Mr.  Grable for the  exclusive use of the
patent. In June 1998, a written agreement was entered into.

In January 1997, we applied for a patent for a fluorescence  imaging scanner. We
have  received  Issue  Notification  indicating  that the  patent  was issued on
September 14, 1999, as Patent No. 5,952,664.

At present, we have also entered into discussions with several hospitals,  which
are located  throughout the United States for potential  clinical test sites. We
have  received  oral  approvals  of the  protocol  and site  plan  from 3 of the
proposed  clinical sites. In order to expand our clinical trials to other sites,
the investigational  device exemption application for Nassau County will have to
be amended by supplying the required FDA documentation. Once a formal commitment
has been obtained and the investigational  device exemption approved by the FDA,
these sites will become operational.

We intend to perform  studies at 3 or more  hospitals  each of which will follow
the  same  investigational  device  exemption  protocol,  as  amended,  for  275
subjects, in order to acquire effective data on a total of 1,100 women. Of these
studies, 400 will be selected for actual submission.  The reason for the plan to
scan  1,100  women  instead  of only 400 is that  volunteers  in these  kinds of
programs for various reasons may withdraw from the study;  these  volunteers may
not have a histological confirmation of their respective conditions, for example
a woman may die before her surgery. Additionally, we plan to develop an atlas of
clinical  examples  on CD-ROM  for  teaching  purposes.  With a large  number of
examples of each type of breast condition  typically  encountered,  the atlas is
expected to be of great teaching value.

Due to the  delays  in  obtaining  the  new  laser  system,  the  delays  in the
modification  and redesign of the CTLM(TM) and the delay in the  commencement of
the Nassau County clinical  investigational  trials,  we are unable to determine
when we will receive FDA marketing clearance.  In addition, due to these delays,
we are unable to determine when we will begin to generate revenue.

Our  executive  offices are located at 6531 NW 18th Court,  Plantation,  Florida
33313. Our telephone number is (954) 581-9800.



<PAGE>


                                  The Offering

Securities Offered by Selling Security Holders

         Common Stock(1)(3)                     37,085,067

Equity Securities Outstanding(2)

         Common Stock                           79,258,357(3)
         Series B Preferred                            247
         Series G Preferred                             14
         Series H Preferred                              3
         Series I Preferred                            138
         Warrants                                  573,750(4)
         Options                                 4,317,171(4)


(1)    According to the terms of the  registration  rights  agreement  among the
       preferred  stockholders,  debenture  holders and us, the amount of common
       stock being  registered  and included in this  prospectus  is 100% of the
       number of shares of common  stock that would be  required to be issued if
       the preferred  stock and debentures  were converted on the day before the
       filing of the  registration  statement.  We  believe  that this is a good
       faith  estimate  of the number of shares  needed for  conversion.  In the
       event that additional shares are needed to meet conversion  requirements,
       we will file a new  registration  statement  to register  the  additional
       shares.

(2)    The total number of equity shares outstanding as of December 7, 1999.

(3)    The total  number of shares of common  stock does not  include  shares of
       common  stock  issuable  upon  conversion  of the  Series  B,  G, H and I
       preferred  stock  and  the  debenture  which,  for  the  purpose  of this
       prospectus, are estimated to represent 16,016,427,  1,801,803,  3,038,020
       5,947,763  and  4,740,971  shares  of  common  stock,  respectively,  and
       warrants and options to purchase  573,500 and 4,317,171  shares of common
       stock, respectively.

(4)    The options were issued in  connection  with our stock option plan and/or
       in connection with some of our employment agreements. The exercise prices
       of the  options  range from $.55 to $4.35 per share.  The  warrants  were
       issued to  consultants,  finders and  private  placement  investors.  The
       exercise prices of the warrants range from $1.09 to $5.00.


<PAGE>



                                  Risk Factors

         An  investment in the common stock  offered is highly  speculative  and
involves a high degree of risk. Accordingly, you should consider all of the risk
factors  discussed  below,  as well as the other  information  contained in this
document.  You should not  invest in our common  stock  unless you can afford to
lose  your  entire  investment  and you are not  dependent  on the funds you are
investing.

                   Risks associated with our financial results

We have and are incurring significant losses.

At June 30, 1999, we had an accumulated  deficit of  approximately  $35,092,999,
after  discounts  and dividends on preferred  stock.  These losses have resulted
principally from costs associated with research and development, clinical trials
and from general and  administrative  costs  associated with our operations.  We
expect  operating  losses will  increase for at least the next several years due
primarily to the anticipated expenses associated with:

o development,
o clinical trials,
o pre-market approval process,
o anticipated commercialization of the CTLM (TM), and
o other research and development activities which may arise.

We have a limited  history of operations.  Since our inception in December 1993,
we have been engaged  principally in the development of the CTLM(TM),  which has
not been  approved  for sale in the  United  States.  In  addition,  we have not
applied to the FDA for export approval for foreign sales. Consequently,  we have
little  experience in  manufacturing,  marketing  and selling our  products.  We
currently  have no source of operating  revenue and have  incurred net operating
losses since inception.

Our auditor's have raised  substantial doubts as to our ability to continue as a
going concern as we have not been and may not be able to be profitable.

We have received an opinion from our auditors stating that the fact that we have
suffered  substantial  losses and have yet to  generate  an  internal  cash flow
raises  substantial doubt about our ability to continue as a going concern.  Our
ability to achieve profitability will depend on our ability to obtain regulatory
approvals for the CTLM(TM),  develop the capacity to manufacture  and market the
CTLM(TM),  either by  ourselves  or in  collaboration  with  others  and  market
acceptance of the CTLM(TM).  However,  there can be no assurance we will achieve
profitability if and when we receive  regulatory  approvals for the development,
commercial manufacturing and marketing of the CTLM(TM).

                    Risks associated with our lack of capital

We require additional capital which we may be unable to raise.

We will require substantial additional funds for:

o  clinical testing of the CTLM(TM) device,
o  research and development programs,
o  pre-clinical and clinical testing of other proposed products,
o  regulatory processes,
o  manufacturing and marketing programs, and
o  operating expenses (including general and administrative expenses).

Our future  capital  requirements  will depend on many  factors,  including  the
following:

o  the progress of our research and development projects,
o  the progress of pre-clinical and clinical testing,
o  the time and cost involved in obtaining regulatory approvals,
o  the cost of filing, prosecuting,  defending and enforcing any patent claims
   and other intellectual property rights;  competing technological and market
   developments;  changes  and  developments  in our  existing  collaborative,
   licensing and other  relationships and the terms of any new  collaborative,
   licensing and other arrangements that we may establish, and
o  the development of commercialization activities and arrangements.

In  addition,  our fixed  commitments,  including  salaries and fees for current
employees and consultants,  equipment leases,  payments under license agreements
and  other  contractual  commitments,  are  substantial  and would  increase  if
additional  agreements were entered into and additional personnel were retained.
We do not expect to generate a positive  internal cash flow for at least several
years due to expected increases in capital expenditures,  working capital needs,
and ongoing losses.  There can be no assurance that additional financing will be
available when needed,  or if available,  will be available on acceptable terms.
We have already  granted a mortgage on our corporate  property as security for a
debenture  and in all  likelihood,  would  be  unable  to use this  property  to
collateralize any additional  financing.  Insufficient funds may prevent us from
implementing our business  strategy and will require us to further delay,  scale
back or eliminate our research,  product development and marketing programs; and
may require us to license to third parties rights to  commercialize  products or
technologies that we would otherwise seek to develop ourselves, or to scale back
or eliminate our other operations.

We have  substantial  capital needs and will need to do further  capital-raising
financings, which financings could dilute the value of current shareholdings.

We will require  substantial  additional  funds for our research and development
programs,  pre-clinical and clinical  testing,  operating  expenses,  regulatory
processes and manufacturing  and marketing  programs.  Our capital  requirements
will depend on numerous factors, including:

o  the progress of our research and development programs,
o  results of pre-clinical and clinical testing,
o  the time and cost invoked in obtaining  regulatory  approvals,  the cost of
   filing,  prosecuting,  defending  and enforcing any patent claims and other
   intellectual property rights,
o  competing with technological and market  developments changes in our existing
   research, licensing and other relationships,  and
o  the complying with the terms of  any  new  collaborative,  licensing  and
   other  arrangements  that  we  may establish.

Our fixed  commitments,  including  salaries and fees for current  employees and
consultants,  and  other  contractual  agreements  are  likely  to  increase  as
additional agreements are entered into and additional personnel are retained.

We have a firm commitment for a $15 Million,  three-year  equity line of credit.
Pursuant to the equity line of credit,  when we feel it necessary,  we may raise
capital  through  the sale of our  common  stock to a  consortium  of  prominent
European  banking  institutions.  In order to use the equity  credit  line,  our
common stock must trade above $.50 per share.  We would also be required to file
a shelf  registration  statement or other registration which may be available to
us. We may need  capital in excess of the equity line of credit or if we decline
to use the equity line of credit, we may seek additional  funding through public
or private  financing or  collaborative,  licensing and other  arrangements with
corporate partners.  If we utilize the equity line of credit or additional funds
are raised by issuing equity securities, especially convertible preferred stock,
dilution  to  existing  shareholders  will  result and future  investors  may be
granted  rights  superior  to those of  existing  shareholders.  There can be no
assurance  that  additional  financing  will be  available  when  needed,  or if
available,  will be on acceptable terms.  Insufficient funds may prevent us from
implementing  our business  strategy or may require us to delay,  scale back, or
eliminate some research and product development  programs or to license to third
parties rights to commercialize products or technologies that we would otherwise
seek to develop ourselves.

We have had and may have to issue  securities  for  services  which may  further
depress our stock price.

Since we have  generated  no revenues to date,  our ability to obtain and retain
consultants  may be dependent on our ability to issue stock for services.  Since
July 1, 1996,  we have issued an aggregate  of 1,806,500  shares of common stock
according to  registration  statements  on Form S-8. The  aggregate  fair market
value of the shares when issued was $2,327,151. The issuance of large amounts of
our common stock for services rendered or to be rendered and the subsequent sale
of these shares may depress the price of our common stock further.  In addition,
since each new  issuance of common  stock  dilutes  existing  shareholders,  the
issuance of substantial additional shares may cause a change-in-control.

We have in the past and may have to in the future sell  additional  unregistered
securities,  possibly  without  limitations  on the number of common  shares the
securities are convertible into.

We have to rely on the  private  placement  of  preferred  and common  stock and
convertible  debentures to obtain working  capital and will continue to do so in
the future. In deciding to issue preferred stock and debentures  through private
placements,  we took into  account the number of common  shares  authorized  and
outstanding,  the market price of the common stock at the time of each preferred
or debenture sale and the number of common shares the preferred stock would have
been  convertible  into at the time of the  sale.  At the  time of each  private
placement  there were enough  shares,  based on the price of our common stock at
the time of the sale of the preferred stock to satisfy the preferred  conversion
requirements.  Although our board of directors tried to negotiate a floor on the
conversion  price of each series of preferred stock and the debentures  prior to
their sale, it was unable to do so. In order to obtain  working  capital we will
continue to seek capital through debt or equity  financing which may include the
issuance  of  convertible  preferred  stock  whose  rights and  preferences  are
superior to those of the common stock holders. We will try to negotiate the best
transaction  possible  taking  into  account  the  impact  on its  shareholders,
dilution,  loss of voting  power  and the  possibility  of a  change-in-control.
However,  in order to satisfy our  working  capital  needs,  we may be forced to
issue convertible securities with no limitations on conversion.

In the event that we issue convertible preferred stock or convertible debentures
without a limit on the number of shares that can be issued upon  conversion  and
the price of our common stock  decreases,  the percentage of shares  outstanding
that will be held by these holders upon  conversion  will increase  accordingly.
The lower the  market  price the  greater  the  number of shares to be issued to
these holders upon  conversion,  thus  increasing  the potential  profits to the
holder when the price per share then  increases  and the holder sells the common
shares.  The  preferred   stockholders'  and  debenture  holders  potential  for
increased share issuance and profit, including profits derived from shorting our
common stock, in addition to a stock overhang of an undeterminable  amount,  may
depress the price of our common  stock.  In addition,  the sale of a substantial
amount of preferred stock to relatively few holders could  effectuate a possible
change-in-control.  In the event of our voluntarily or involuntarily liquidation
while the  preferred  stock is  outstanding,  the holders  will be entitled to a
preference in distribution of our property.

                       Risks associated with our industry

We depend on market  acceptance  to sell our products  which has not been proven
and may not occur.

There can be no assurance that  physicians or the medical  community in general,
will accept and utilize the CTLM(TM) or any other products that we develop.  The
extent and rate the CTLM(TM)  achieves market  acceptance and  penetration  will
depend on many variables, including, but not limited to:

o  the establishment and demonstration in the medical community of the clinical
   safety, efficacy and cost-effectiveness of the CTLM(TM),
o  the advantages of the CTLM(TM) over existing technology and cancer detection
   methods, including:
         - X-ray mammography,
         - Ultrasound or high frequency ultrasound,
         - MRI,
         - Thermography,
         - Diaphonography,
         - Electrical impedance, and
         - Transillumination devices
o  third-party reimbursements practices, and
o  our manufacturing, quality control, marketing and sales efforts.

There can be no assurance that the medical community and third-party payers will
accept our unique technology.  Similar risks will confront any other products we
develop in the future.  Failure of our products to gain market  acceptance would
have a material adverse effect on our business,  financial condition and results
of operations.

Lack of third-party  reimbursement  would have a negative impact on the sales of
our products.

In the United States, suppliers of health care products and services are greatly
affected by Medicare,  Medicaid and other government insurance programs, as well
as by private insurance  reimbursement  programs.  Third-party payers (Medicare,
Medicaid,  private health  insurance  companies,  and other  organizations)  may
affect the pricing or relative  attractiveness of our products by regulating the
level of reimbursement  provided by these payers to the physicians,  clinics and
imaging  centers  utilizing  the  CTLM(TM)  or any  other  products  that we may
develop, by refusing reimbursement.  If examinations utilizing our products were
not  reimbursed  under these  programs,  our ability to sell our products may be
materially and adversely  affected.  There can be no assurance that  third-party
payers  will  provide  reimbursement  for  use of our  products.  The  level  of
reimbursement,  if any,  may  impact the market  acceptance  and  pricing of our
products,   including  the  CTLM(TM).  Failure  to  obtain  favorable  rates  of
third-party  reimbursement could have a material adverse effect on our business,
financial condition, cash flows, and results of operations.

In international markets, reimbursement by private third-party medical insurance
providers, including governmental insurers and independent providers varies from
country to country.  In addition,  such third-party  medical insurance providers
may  require  additional   information  or  clinical  data  prior  to  providing
reimbursement  for  a  product.  In  some  countries,  our  ability  to  achieve
significant  market  penetration may depend upon the availability of third-party
governmental  reimbursement.   Revenues  and  profitability  of  medical  device
companies may be affected by the continuing  efforts of  governmental  and third
party payers to contain or reduce the cost of health care through various means.
See "Business-Third-Party Reimbursement; Health Care Reform".

There are  uncertainties  regarding  healthcare reform made by United States and
state governments which could negatively impact our business.

Several states and the United States  government are  investigating a variety of
alternatives  to reform the health care delivery  system.  These reform  efforts
include  proposals to limit and further  reduce and control health care spending
on health care items and services,  limit  coverage for new technology and limit
or control the price health care providers and drug and device manufacturers may
charge  for  their   services  and  products,   respectively.   If  adopted  and
implemented,  these reforms could have material  adverse effect on our business,
financial condition, and results of operations.

We are in a highly  competitive  market and many of our competitors have greater
resources than we do.

The market in which we intend to participate is highly competitive.  Many of the
companies in the cancer  diagnostic  and  screening  markets have  substantially
greater technological, financial, research and development, manufacturing, human
and marketing  resources and experience  than we do. These companies may succeed
in developing,  manufacturing and marketing  products that are more effective or
less costly than our products.  Physicians using imaging equipment such as x-ray
mammography equipment, ultrasound or high frequency ultrasound systems, magnetic
resonance    imaging   systems,    and    thermography,    diaphonography    and
transilluminational  devices may not use our products.  Currently mammography is
employed widely and our ability to sell the CTLM(TM) to medical facilities will,
partially  depend on our  ability to  demonstrate  the  clinical  utility of the
CTLM(TM)  as  an  adjunct  to  mammography  and  physical  examination  and  its
advantages over other available diagnostic tests. The competition for developing
a  commercial  device  utilizing  computed   tomography   techniques  and  laser
technology  is  difficult  to  ascertain  given  the  proprietary  nature of the
technology.  There are a significant number of academic institutions involved in
various  areas  of  research  involving  "optical  medical  imaging"  which is a
shorthand  description  of  the  technology  our  CTLM(TM)  utilizes.  The  most
prestigious of these institutions  includes the University of Pennsylvania,  The
City  College  of  New  York,  and  University  College  London.  Two  of  these
institutions,  University  of  Pennsylvania  and City College of New York,  have
granted licenses on some patented technologies to two companies unrelated to us,
Non-Invasive  Technologies and MediScience,  Inc.,  respectively,  which may use
these patented technologies to produce products that compete with the CTLM(TM).

                      Risks associated with our securities

Our common stock is considered "penny stock" and may be difficult to sell.

The SEC has adopted  regulations,  which generally define "penny stock" to be an
equity  security  that has a market  price of less  than  $5.00  per share or an
exercise  price of less than $5.00 per share,  subject to  specific  exemptions.
Presently, the market price of our common stock is substantially less than $5.00
per share and therefore  may be  designated as a "penny stock"  according to SEC
rules.  This designation  requires any broker or dealer selling these securities
to disclose certain  information  concerning the  transaction,  obtain a written
agreement  from the  purchaser  and  determine  that the purchaser is reasonably
suitable to purchase  the  securities.  These rules may  restrict the ability of
brokers  or dealers  to sell our  common  stock and may  affect  the  ability of
investors to sell their shares. In addition, since our common stock is traded on
the  NASDAQ  OTC  Bulletin  Board,  investors  may find it  difficult  to obtain
accurate quotations of our common stock.

Our stock price is volatile.

Our stock is currently traded on the OTC Bulletin Board. The price of our common
stock has  fluctuated  substantially  since it began trading on the OTC Bulletin
Board in September  1994.  The market  price of the shares of the common  stock,
like that of the common stock of many other medical device companies,  is likely
to continue to be highly volatile.  Factors that may have an impact on the price
of our common stock include:

o  the timing and results of our clinical trials or our competitors,
o  governmental regulation,
o  healthcare legislation,
o  equity or debt financing, and
o  developments  in  patent  or other  proprietary  rights  pertaining  to our
   competitors  or us,  including  litigation,  fluctuations  in our operating
   results,  and market  conditions for medical device company stocks and life
   science stocks in general.

We may issue  preferred  stock at any time to prevent a takeover or acquisition,
any of which issuance could dilute the price of our common stock.

Our articles of  incorporation  authorize  the issuance of preferred  stock with
designations,  rights,  and preferences that may be determined from time to time
by the  board  of  directors.  Our  board of  directors  is  empowered,  without
stockholder  approval,  to designate  and issue  additional  series of preferred
stock with dividend, liquidation, conversion, voting and other rights, including
the right to issue  convertible  securities  with no  limitations on conversion,
which could adversely  affect the voting power or other rights of the holders of
our common  stock.  This  could  substantially  dilute the common  shareholder's
interest and depress the price of our common stock.  In addition,  the preferred
stock could be utilized,  as a method of discouraging,  delaying or preventing a
change-in-control.  The substantial number of issued and outstanding convertible
preferred  stock and the convertible  debentures,  and their terms of conversion
may  discourage or prevent an  acquisition  of our company.  In the past we have
issued convertible preferred stock and convertible debentures without a limit on
the number of shares that can be issued upon  conversion  and may continue to do
so in the future.

Our outstanding preferred stock and debentures are discounted and convertible at
75% of the market price,  except for our Series B shares,  which are convertible
at 82% of the market price.  Since the conversion  price of the preferred  stock
and the  debentures  are based on a percentage  of the market  price,  without a
limit on the number of shares that can be issued upon  conversion,  in the event
that the price of our common stock  decreases,  the  percentage of common shares
outstanding that will be held by the preferred stock and debenture  holders upon
conversion would increase accordingly.

When we convert securities issued without  limitations on conversion,  the lower
the market price, the greater the number of shares will be issued to the holders
of our securities upon conversion; thus, increasing the potential profits to the
holder if the price per share increases and the holder sells its common shares.

We have increased the number of shares of our  authorized  common stock in order
to help  facilitate  the  conversion  and  exercise  of  outstanding  and future
preferred stock and other securities, which conversion and exercise would dilute
the value of our common stock.

According to a written action of a majority of our shareholders, we have amended
our  articles of  incorporation,  to increase our  authorized  common stock from
48,000,000 shares to 100,000,000 shares in order to facilitate the conversion of
our outstanding preferred stock and debentures.  Prior to the amendment,  we did
not have an  adequate  number  of  shares  authorized  to meet  our  contractual
obligations due to the decrease in our stock price. In addition,  until the time
when we are able to  generate  revenues,  we are  dependent  on  equity or other
financing to continue  operations  and the amendment  affords us common stock to
finance our operations  through equity  financings which we will continue to do,
as we will require substantial additional funds for our operations. We may again
be obligated to increase our authorized common stock from 100,000,000  shares to
150,000,000 to facilitate the conversion of our outstanding  preferred stock and
debentures.

Based on the closing price of our common stock as of December 7, 1999,  $.31 per
share, approximately:

o  9,155,608  shares  would be  required  to convert  the Series B shares,
o  262,295 shares would be required to convert the Series G shares,
o  1,254,902 shares would be required to convert the Series H shares,
o  5,592,705  shares would be required to convert the Series I shares,
o  10,749,747  shares would be required to convert the debentures and
o  although we are  contractually  prohibited from doing so, 60,483,871  shares
   would be required to draw down the entire equity line of credit.

In addition,  4,890,921 shares would be required for the exercise of options and
warrants. Based upon this information,  as of December 7, 1999, we would need in
excess of  approximately  71  million  authorized  shares  for all  conversions,
complete  utilization  of the  equity  line of  credit  and  fulfillment  of our
remaining stock related obligations.

We currently are controlled by our executive officers and directors, however, if
outstanding  preferred stock and debentures are converted,  a  change-in-control
may occur.

Our management  beneficially owns 26.9%,  including options,  of our outstanding
common  stock,  assuming  no  exercise  of  outstanding  warrants,  options,  or
conversion of preferred stock.  Although  management owns less than 50.1% of the
outstanding  common stock, since we do not have cumulative voting, and since, in
all likelihood the officers will be voting as a block and will be able to obtain
proxies  of other  shareholders,  management  should  continue  to  remain  in a
position to elect all of our directors and control our policies and  operations.
However,  after  giving  effect to the  conversion  of the  preferred  stock and
debentures,  management  would  own only  19.2% as of  December  7,  1999.  This
additional  dilution  to  management's   ownership   percentage  could  cause  a
change-in-control.

We have not and do not expect to pay dividends on our common stock.

We have not  paid a  dividend  on our  common  stock  and do not  intend  to pay
dividends on our common stock in the foreseeable future.

                      Risks associated with our technology

We depend on a patent licensed to us by our founder.

We own the rights, through an exclusive patent licensing agreement,  for the use
of the patent for the CTLM(TM)  technology.  Richard Grable, our chief executive
officer,  owns the patent.  In addition,  we have 12  additional  United  States
patents  pending with regard to optical  tomography,  many of which are based on
the  original  CTLM(TM)  technology.  In the  event  that we breach  the  patent
licensing  agreement,  we  could  lose  the  licensing  rights  to the  CTLM(TM)
technology.  The loss of the patent license would have a material adverse effect
on us and our continued operations.

Our business could be materially  adversely affected if we are unable to protect
our proprietary technology, or if substantially the same technology is developed
by others.

We rely  primarily on a combination  of trade  secrets,  patents,  copyright and
trademark laws, and confidentiality procedures to protect our technology.

Our ability to compete  effectively in the medical products industry will depend
on our success in  protecting  our  proprietary  technology,  both in the United
States and abroad. The patent positions of medical products companies  generally
involve  complex legal and factual  questions.  We currently  have 12 additional
patents  pending with regard to optical  tomography.  Neither we nor Mr.  Grable
hold foreign  patents,  however,  we have applied for patents in several foreign
countries.  We intend to file for additional patents on products,  including the
CTLM(TM),  for  which we feel the cost of  obtaining  a patent  is  economically
reasonable  in relation to the  expected  protection  obtained.  There can be no
assurances that any patent that we apply for will be issued, or that any patents
issued will not be challenged,  invalidated, or circumvented, or that the rights
granted will provide any competitive advantage. We could incur substantial costs
in defending any patent  infringement  suits or in asserting any patent  rights,
including those granted by third parties,  the expenditure of which we might not
be able to afford.

Although we have entered into  confidentiality and invention agreements with our
employees and consultants,  there can be no assurance that these agreements will
be  honored or that we will be able to  protect  our rights to our  non-patented
trade secrets and know-how  effectively.  There can be no assurance  that others
will not independently develop substantially  equivalent proprietary information
and  techniques or otherwise  gain access to our trade secrets and know-how.  In
addition,  we may be required to obtain licenses to patents or other proprietary
rights  from third  parties.  If we do not obtain  required  licenses,  we could
encounter   delays  in  product   development  or  find  that  the  development,
manufacture,  or sale of products  requiring these licenses could be foreclosed.
Additionally,  we may, from time to time,  support and  collaborate  in research
conducted by universities and governmental research organizations.  There can be
no  assurance  that we will have or be able to acquire  exclusive  rights to the
inventions or technical  information  derived from such  collaborations  or that
disputes will not arise with respect to rights in derivative or related research
programs that we conducted in conjunction with these organizations.

Our business,  which depends heavily on our patents and  intellectual  property,
could be  materially  adversely  affected if we infringe  upon the  intellectual
property rights of others.

There has been substantial  litigation  regarding patent and other  intellectual
property rights in the medical device and related industries.  We have been, and
may be in the  future,  notified  that  we may  be  infringing  on  intellectual
property  rights  possessed by other third  parties.  If any claims are asserted
against our intellectual  property rights,  we may seek to enter into royalty or
licensing  arrangements.  There is a risk in situations  that no license will be
available  or  that  a  license  will  not be  available  on  reasonable  terms.
Alternatively,  we may  decide to  litigate  these  claims or design  around the
patented technology.  These actions could be costly and would divert the efforts
and attention of our  management  and  technical  personnel.  Consequently,  any
infringement  claims by third  parties or other  claims for  indemnification  by
customers resulting from infringement claims,  whether or not proven to be true,
may have a material  adverse  effect on our  business,  financial  condition and
results of operation.

We may be adversely impacted by third parties who are not Y2K compliant.

We have not fully  determined  the extent to which we may be  impacted  by third
parties' systems, which may not be Y2K compliant. While we have begun efforts to
seek reassurance from our suppliers,  there can be no assurance that the systems
of other  companies,  which we deal with, will be Y2K compliant.  Third parties'
non-compliance  could  have an  adverse  effect on us.  Failure  of third  party
vendors to deliver  parts and  components  timely  could  materially  affect our
ability to manufacture and deliver CTLM(TM).  Because of this potential risk, we
have expanded our vendor and sub-contractor  base to safeguard ourselves against
this uncertainty.

We may suffer possible technical obsolescence.

Methods  for  the  detection  of  cancer  are  subject  to  rapid  technological
innovation and there can be no assurance that technical  changes will not render
our  proposed  products  obsolete.  Although we believe that the CTLM(TM) can be
upgraded to maintain its  state-of-the-art  character,  the  development  of new
technologies  or  refinements  of existing  ones might make our existing  system
technologically or economically  obsolete, or cause a reduction in the value of,
or reduce  the need  for,  our  CTLM(TM).  There  can be no  assurance  that the
development  and  commercial  availability  of new types of  diagnostic  medical
equipment or technology will not have a material adverse effect on our business,
financial  condition,  and  results of  operations.  Although we are aware of no
substantial  technological changes pending,  should a change occur, there can be
no assurance  that we will be able to acquire the new or improved  systems which
may be required to update the CTLM(TM).

                       Risks associated with our business

We may not  receive  final FDA  marketing  clearance  for the  CTLM(TM)  or find
facilities to test the CTLM(TM).

We currently have two CTLM(TM)  functioning and being tested,  one in the Nassau
County  Medical  Center and one in the  University of Virginia  Medical  Center,
pursuant to investigational device exemptions granted by the FDA. The testing is
designed to develop  diagnostic  criteria for CTLM(TM)  images.  We have entered
into discussions with several hospitals, which are located throughout the United
States for further potential  clinical test sites. The remaining  proposed sites
have indicated an interest in participating in our clinical trials,  however, we
do not  anticipate a formal  response until January 2000 at which point we would
have to  request  permission  from the FDA to expand  our  clinical  trials.  We
believe that we will be able to expand the clinical  testing to these sites upon
FDA  approval.  At the  conclusion  of the  clinical  trials we will  submit the
pre-market  approval  application  for the  CTLM(TM).  If and when  accepted for
filing by the FDA, it will be  designated  for review under the FDA's  expedited
review policy.  There can be no assurance  that expedited  review status will be
maintained or result in a more expeditious approval, or approval at all.

In  addition,  there  can be no  assurance  that  the  FDA or  other  regulatory
approvals for the CTLM(TM)  device will be granted on a timely basis, or at all.
Failure  to obtain FDA  clearance  to market the  CTLM(TM)  device  would have a
material  adverse effect on our business,  financial  condition,  cash flows and
results of operations.

Furthermore, there can be no assurance that:

o  results obtained in any additional  trials will be consistent with the
   results obtained in trials conducted by us to date;
o  results  obtained in any clinical trial or series of clinical trials will be
   consistent among all study sites, or
o  results obtained in clinical trials conducted with U.S. study populations
   will be consistent with results obtained in studies conducted in Europe or
   other locations outside of the U.S.

Any of the  above-mentioned  results  could  effect our  ability to receive  FDA
marketing clearance or clearance for sale in foreign countries of the CTLM(TM).

We need FDA  pre-market  approval  before  we can sell  our  main  product,  the
CTLM(TM).

We must obtain  pre-market  approval from the FDA prior to commercial use of the
CTLM(TM)  in the United  States.  There can be no  assurance  if or when we will
receive this  approval.  Obtaining  FDA  pre-market  approval may impose  costly
requirements on us and may delay for a considerable  period of time, or prevent,
the commercialization of the CTLM(TM).

We must comply with  extensive  government  regulation  and have no assurance of
regulatory approvals or clearances.

Our delay or inability to obtain any necessary  United States,  state or foreign
regulatory  clearances  or  approvals  for our  products  would  have a material
adverse effect on our business.

The  manufacture  and sale of medical  devices,  including  the CTLM(TM) and any
other  products  that we may  develop,  are subject to extensive  regulation  by
numerous governmental authorities in the United States,  principally the FDA and
corresponding state agencies and those in other countries. In the United States,
the  CTLM(TM)  is  regulated  as a medical  device  and is  subject to the FDA's
pre-market  clearance  or approval  requirements.  Securing FDA  clearances  and
approvals  usually  requires  the  submission  of  extensive  clinical  data and
supporting  information to the FDA. To obtain FDA approval of an application for
pre-market  approval,  the pre-market approval application must demonstrate that
the  subject  device  has  clinical  utility,  meaning  that  the  device  has a
beneficial  therapeutic  effect,  or  that  as a  diagnostic  tool  it  provides
information  that  measurably  contributes  to  a  diagnosis  of  a  disease  or
condition.

Although the FDA may grant expedited review status to the CTLM(TM) device, there
can be no  assurance  that such  status will be  maintained  or result in timely
approval of the CTLM(TM) device, if approval is obtained at all.

We cannot file our pre-market  approval  application  for the CTLM(TM) until our
clinical  trials are  completed.  There can be no  assurance,  that our clinical
trials will be successfully completed, or if completed,  will provide sufficient
data to support a pre-market  approval  application  for the  CTLM(TM);  nor can
there be any  assurance  that the FDA will not require us to conduct  additional
clinical trials for the CTLM(TM), which would delay the CTLM(TM) coming onto the
market.

In addition,  sales of medical  devices outside the United States may be subject
to international  regulatory requirements that vary from country to country. The
time required to gain approval for international  sales may be longer or shorter
than required for FDA approval and the requirements may differ. For example,  in
order to sell our products  within the European  economic  area,  companies  are
required to achieve  compliance  with the  requirements  of the medical  devices
directive and affix a "CE" marking on their  products to attest  compliance.  In
Europe, we will be required to obtain the certifications necessary to enable the
CE mark to be  affixed  to our  products  in order to  conduct  sales in  member
countries of the European Union. We are in preliminary preparations regarding CE
certification.  Component parts that have been finalized are being tested in our
laboratory.  Some of the  components  are  being  changed  in order  to  improve
performance,  delaying the submission of the CTLM(TM) for the CE  certification.
We have chosen DGM of Denmark as our notifying  body, a regulatory body from the
private  sector  which  is  responsible  for  the  review  and  approval  of the
documentation  submitted by us in order to enable the "CE" mark to be affixed to
products.

We have not obtained these certificates and there can be no assurance we will be
able to do so in a timely manner, or at all. Regulatory  approvals,  if granted,
may include significant limitations on the indicated uses for which the CTLM(TM)
may be marketed.  In addition,  to obtain these  approvals,  the FDA and certain
foreign  regulatory  authorities  may impose numerous other  requirements  which
medical device  manufacturers  must comply with. FDA enforcement policy strictly
prohibits the marketing of approved medical devices for unapproved uses. Product
approvals could be withdrawn for failure to comply with regulatory  standards or
the  occurrence  of  unforeseen   problems  following  initial  marketing.   The
third-party  manufacturers upon which we will depend to manufacture our products
are  required  to  adhere  to  applicable   FDA   regulations   regarding   good
manufacturing  practices,  commonly  referred to as GMPs,  including the quality
system  regulations and similar  regulations in other  countries,  which include
testing, control and documentation requirements. Ongoing compliance with quality
system  regulations  and  other  applicable  regulatory   requirements  will  be
monitored by periodic inspections by the FDA and by comparable agencies in other
countries. Failure to comply with applicable regulatory requirements,  including
marketing and promoting  products for  unapproved  use,  could result in warning
letters,  fines,  injunctions,  civil penalties,  recall or seizure of products,
total or partial  suspension of  production,  refusal of the government to grant
pre-market  clearance  or approval  for devices,  withdrawal  of  approvals  and
criminal  prosecution.  Changes  in  existing  regulations  or  adoption  of new
government  regulations or polices could prevent or delay regulatory approval of
our products. Material changes to medical devices also are subject to FDA review
and clearance or approval.

In addition, unapproved products subject to the pre-market approval requirements
must receive  prior FDA export  approval in order to be marketed  outside of the
United  States  unless they are  approved  for use by any member  country of the
European Union or certain other countries,  including Australia, Canada, Israel,
Japan, New Zealand, Switzerland and South Africa, in which case the products can
be exported to any country provided that limited  notification  requirements are
met. There can be no assurance  that we will meet the FDA's export  requirements
or receive FDA export approval when our approval is necessary, or that countries
to which the devices are to be exported will approve the devices for import. Our
failure to meet the FDA's export requirements or obtain FDA export approval when
required  to do so, or to obtain  approval  for  import,  could  have a material
adverse effect on our business,  financial condition,  cash flows and results of
operations.

There  can be no  assurance  that we will be able  to  obtain  or  maintain  the
following:

o  FDA approval of a pre-market approval application for the CTLM(TM),
o  foreign marketing  clearances for the CTLM(TM) or regulatory  approvals
   or clearances for other products that we may develop, on a timely basis, or
   at all,
o  timely receipt of approvals or clearances,
o  continued approval or clearance of previously obtained approvals and
   clearances, and
o  compliance with existing or future regulatory requirements.

If we do not obtain or maintain any of the above-mentioned  standards, there may
be material adverse effects on our business,  financial condition and results of
operations.

We are only in the early stages of product  development  for products other than
the CTLM(TM).

Due to our need for additional  capital,  our proposed products,  other than the
CTLM(TM)  device,  including a scanner for the early  detection of colon cancer,
are at early stages of  development.  There can be no assurance  that any of our
proposed products will be, including the CTLM(TM):

o  found to be safe and effective,
o  meet applicable regulatory standards or receive necessary regulator
   clearance,
o  or if safe and  effective,  can be developed  into  commercial  products,
   manufactured  on a large scale or be  economical to market, or
o  achieve or sustain market acceptance.

Therefore,  there  is  substantial  risk  that  our  product   development  and
commercialization efforts will not prove to be successful for our products.

We will  depend  on a single  product,  the  CTLM(TM),  for our  revenue  in the
foreseeable future.

We are in the  process  of  developing  additional  products  based  on our main
technology,  including  an  enhancement  of the  CTLM(TM)  device  for use  with
fluorescence  contrast  agents and  photo-dynamic  therapy drugs.  Photo-dynamic
therapy drugs seek out cancer and are activated by light. Neither application is
expected to result in a commercial  product for at least  several  years,  if at
all.  Consequently,  pending its approval  for  commercial  distribution  in the
United States,  the CTLM(TM) device would account for  substantially  all of our
revenues for the foreseeable  future.  Failure to gain  regulatory  approvals or
market  acceptance for the CTLM(TM) device would have a material  adverse effect
on our business, financial condition, cash flows, and results of operations.

We depend upon suppliers with whom we have no contracts.

We believe that there are a number of suppliers for most of the  components  and
subassemblies  required for the CTLM(TM).  Particular  components  for our laser
system are provided by two unrelated  suppliers.  Although these  components are
provided by a limited number of other suppliers,  we believe our laser suppliers
and their  products are the most  reliable.  We have no agreement with our laser
suppliers and purchase the laser  components  on an as needed basis.  Presently,
the  disruption or termination  of our laser  suppliers  could have a short-term
adverse  effect on our ability to  manufacture  the  CTLM(TM).  Once we begin to
produce the CTLM(TM) in larger quantities,  the disruption or termination of our
laser  suppliers  could  disrupt  production   schedules  or  delay  or  curtail
production,  all of which could  materially  adversely  affect our  business and
results of operations.

We have limited marketing and sales capabilities.

We have limited internal  marketing and sales resources and personnel.  In order
to market any products we may develop,  we will have to develop a marketing  and
sales force with technical expertise and distribution  capability.  There can be
no  assurance  that  we  will  be  able  to  establish  sales  and  distribution
capabilities or that we will be successful in gaining market  acceptance for any
products  we may  develop.  There  can be no  assurance  that we will be able to
recruit and retain skilled sales, marketing,  service or support personnel, that
agreements with distributors will be available on terms commercially  reasonable
to us, or at all, or that our marketing  and sales  efforts will be  successful.
Failure to successfully  establish a marketing and sales  organization,  whether
directly or through third parties,  would have a material  adverse effect on our
business,  financial condition,  cash flows, and results of operations.  We have
already  entered into contracts for the future  distribution  of the CTLM(TM) in
the United Kingdom, Ireland, France, South Korea, Switzerland,  Moscow, Germany,
Austria, the Republic of Turkey,  Ecuador,  Holland,  Belgium,  Spain, Portugal,
Poland, Luxembourg and the Pacific Rim countries, including China. Presently, we
intend to pursue  additional  distribution  arrangements in Europe and Asia with
strategic marketing partners who have established marketing  capabilities and we
will  continue to develop our  distribution  network  overseas.  There can be no
assurance that we will be able to further develop this  distribution  network on
acceptable terms, if at all or that any of our proposed  marketing  schedules or
plans can or will be met. We have not applied to the FDA for export approval for
foreign sales and no sales have been made to date.

We depend on qualified personnel to run and develop our specialized business.

Due  to  the  specialized  scientific  nature  of our  business,  we are  highly
dependent upon our ability to attract and retain qualified scientific, technical
and managerial  personnel.  We have entered into employment agreements with some
of our  executive  officers  and key  employees.  The  loss of the  services  of
existing personnel, especially Mr. Grable, the inventor of the CTLM(TM), as well
as the failure to recruit key scientific,  technical and managerial personnel in
a timely manner would be  detrimental to our research and  development  programs
and could have an adverse  impact upon our business  affairs and  finances.  Our
anticipated growth and expansion into areas and activities  requiring additional
expertise,  such as  marketing,  will  require the  addition  of new  management
personnel.  Competition  for qualified  personnel is intense and there can be no
assurance  that we will be able to  continue  to attract  and  retain  qualified
personnel necessary for the development of our business.

We have a possible conflict of interest in our management.

Richard  Grable and Linda  Grable  hold a majority  of the seats on our board of
directors.   Consequently,   they  are  in  a  position  to  control  their  own
compensation and to approve affiliated transactions.  For example, in June 1998,
we finalized an exclusive  patent  license  agreement with Richard  Grable,  our
chief  executive  officer;  Mr.  Grable  is  the  owner  of  the  patent,  which
encompasses  the  technology for the CTLM(TM)  device.  The board's policy is to
obtain unanimous  consent for affiliated  transactions and compensation  issues.
Although  our  board  intends  to act  fairly  and in full  compliance  with its
fiduciary obligations, there can be no assurance that our company will not, as a
result of the  conflict of interest  described  above,  enter into  arrangements
under terms less  favorable  than those which we could have obtained had we been
dealing with unrelated persons.

We have a limited manufacturing history.

We will have to expand our CTLM(TM)  manufacturing and assembly capabilities and
contract for the manufacture of the CTLM(TM)  components in volumes that will be
necessary for us to achieve  significant  commercial sales in the event we begin
foreign  sales and/or obtain  regulatory  approval to market our products in the
United States. We have limited experience in the manufacture of medical products
for clinical trials or commercial purposes.  Should we manufacture our products,
our  manufacturing  facilities  would be  subject to the full range of the FDA's
current  quality system  regulations,  and we would need  additional  capital to
establish these types of facilities. In addition, there can be no assurance that
we would be able to manufacture our products successfully or cost-effectively.

We depend on third parties who may not be in  compliance  with the FDA's quality
system regulations.

We have used and do use third parties to manufacture  and deliver the components
of the CTLM(TM) and intend to continue to use third parties to  manufacture  and
deliver these components and other products we may develop.  These third parties
must adhere to the quality  system  regulations  enforced by the FDA through its
facilities  inspection program and these facilities must pass a plant inspection
before the FDA will grant pre-market  approval of our products.  There can be no
assurance that the third-party  manufacturers we depend on for the manufacturing
of CTLM(TM) components will be in compliance with the quality system regulations
at  the  time  of  the  pre-approval  inspection  or  will  maintain  compliance
afterwards.   This  failure  could  significantly  delay  FDA  approval  of  the
pre-market  approval  application  for the  CTLM(TM)  device,  and would  have a
material adverse effect on our business,  financial  condition,  cash flows, and
results of operations.

The qualification of additional or replacement  suppliers for certain components
of the CTLM(TM) device or services is a lengthy  process.  For certain  services
and components, we currently rely on single suppliers. If we encounter delays or
difficulties  with  our  third-party  suppliers  in  producing,   packaging,  or
distributing   components  of  the  CTLM(TM)  device,  market  introduction  and
subsequent  sales  would  be  adversely  affected.  We also  may have to rely on
alternative  sources of supply.  In this case, there can be no assurance that we
will be able to enter  into  alternative  supply  arrangements  at  commercially
acceptable  rates,  if at all.  If we are  unable to obtain or retain  qualified
third-party  manufacturers on commercially  acceptable terms, we may not be able
to commercialize our products as planned.  Our dependence upon third parties for
the manufacture of our products may adversely  affect our profit margins and our
ability to develop and deliver our products on a timely and competitive basis.

We have  had and may  have  delays  in  getting  our  products  to  market  both
domestically and internationally.

Originally,  we anticipated that the CTLM(TM) would be ready for distribution in
the summer of 1998, however, during the course of clinical trials, we learned of
problems with particular components of the CTLM(TM) which needed to be corrected
before distribution. Solutions to these problems had to be found and adjustments
had to be made to the  CTLM(TM) to correct  these  problems.  Specifically,  the
laser components,  the electronic  technology  involved in image acquisition and
the fiber optics had to be modified.

We need to obtain FDA marketing  clearance for the CTLM(TM) device before it can
be sold in the U.S.  market.  However,  the  device  may be sold  under  special
circumstances  pursuant  to  an  investigational  device  exemption.  Under  FDA
guidelines,  only  product  cost and  clinical  costs can be  recovered  through
investigational  device exemption sales. No profit is allowed on investigational
device  exemption  sales.  Sales of medical imaging devices can be made in those
countries not requiring the "CE" mark.  Sales can also be made under  exemptions
for some  clinical  testing.  As of the date of this  prospectus,  our  Canadian
distributor  has placed an order for two  CTLM(TM)  systems to be  delivered  in
March 2000. We intend to continue to sell CTLM(TM) systems through  distributors
in those countries where sales are permitted. No CTLM(TM) systems have been sold
pursuant to an investigational device exemption in the United States market.

We  previously  deferred  foreign  distribution  of the  CTLM(TM)  until we have
collected  enough clinical data to demonstrate the CTLM(TM)'s  ability to detect
abnormalities  of the  breast in a  clinical  setting.  We  anticipate  that the
CTLM(TM)'s  ability to detect  abnormalities of the breast in a clinical setting
will be  demonstrated  very quickly using the images produced in connection with
the Nassau County and University of Virginia  investigational device exemptions.
We then will  continue to collect  data  through our  further  clinical  trials.
Currently, we have not applied to the FDA for export approval for foreign sales.
Originally,  we anticipated that the first foreign distributions of the CTLM(TM)
would occur in our fiscal  quarter  beginning  April 1999.  However,  due to the
problems  discussed  elsewhere in this  prospectus we plan on shipping the first
two CTLM(TM) systems in March of 2000.

In order for us to distribute  the CTLM(TM)  outside of the United  States,  the
following information must be submitted to the FDA:

o  a complete description of the device intended for export,
o  the status of the device in the United States, and
o  a letter from the  appropriate  foreign  liaison  (person with authority to
   sign a letter of acceptance for the foreign government) stating that:
      - the device  is not in  conflict  with  the laws of the country to which
        it is intended for export,
      - the foreign  government  has full  knowledge of the status of the device
        in the U.S., and
      - import is permitted or not objected to.

The FDA reviews export requests to determine that exportation of the device:

o   is not contrary to public health and safety; and
o   has the approval of the country to which the product is intended to be
    exported.

If the device meets the above-mentioned criteria, it is approved for export. The
CTLM(TM) is exempt from the former  requirement  because  there is a current FDA
approved  investigational  device exemption for the CTLM(TM).  The FDA would not
grant an  investigational  device  exemption  for a device  that is  contrary to
public health and safety. However, we have not applied for the "CE" mark for the
CTLM(TM) which, when issued, would permit sales in those countries requiring the
"CE" mark for sale.

We will rely on international sales and will be subject to risks associated with
international commerce.

We intend to commence  international  sales of the  CTLM(TM) in Europe and Asia,
prior to commencing  commercial  sales in the U.S.  Until we receive  pre-market
approval from the FDA to market the CTLM(TM) in the United States, our revenues,
if any, will be derived from sales to international distributors.  A significant
portion  of  our  revenues  may  be  subject  to  the  risks   associated   with
international sales, including:

o  economical and political instability,
o  shipping delays,
o  fluctuation of foreign currency exchange rates,
o  foreign regulatory requirements, and
o  various trade restrictions, all of which could have a significant impact on
   our ability to deliver products on a timely basis.

Significant  increases in the level of customs  duties,  export  quotas or other
trade  restrictions  could  have a  material  adverse  effect  on our  business,
financial  condition  and  results  of  operations.  The  regulation  of medical
devices,  particularly  in  Europe,  continues  to  develop  and there can be no
assurance that new laws or regulations will not have an adverse effect on us. In
order to minimize  the risk of doing  business  with  distributors  in countries
which are having  difficult  financial  times,  our  international  distribution
agreements all require  payment via an  irrevocable  letter of credit drawn on a
United States bank prior to shipment of the CTLM(TM).

We have a risk of product liability suits.

Our business exposes us to potential product liability risks, which are inherent
in the  testing,  manufacturing,  and  marketing of cancer  detection  products.
Significant litigation,  not involving us, has occurred in the past based on the
allegations of false negative diagnoses of cancer.  While the CTLM(TM) device is
being developed as an adjunct to other  diagnostic  techniques,  there can be no
assurance  that  we  will  not be  subjected  to  future  claims  and  potential
liability.  Although the FDA does not require product  liability  insurance with
regard to clinical  investigations,  we obtained  and  presently  carry  product
liability  insurance  in the  amount of  $3,000,000,  at the  request  of Nassau
County.  While we plan to maintain  insurance  against product and  professional
liability and defense  costs,  there can be no assurance  that claims against us
arising with respect to our products will be  successfully  defended or that the
insurance to be carried by us will be  sufficient to cover  liabilities  arising
from any  claims.  A  successful  claim  against  us in excess of our  insurance
coverage could have a material adverse effect on us.  Furthermore,  there can be
no  assurance  that we will be able to continue  to obtain or  maintain  product
liability insurance on acceptable terms.

We lack a feasibility study.

We have not  performed any market or  feasibility  study to assess the interest,
demand,  or need for the CTLM(TM).  There can be no assurance that a study would
support management's belief that sufficient demand will exist.

                   Information With Respect To The Registrant

The  information  required  to  be  disclosed  in  the  registration   statement
pertaining to this  prospectus is incorporated  by reference,  including,  among
other  documents,  our latest Form  10-KSB,  as  amended,  and Form  10-QSB,  as
amended,  which are both being  delivered with this  prospectus.  See "Documents
Incorporated by Reference",  "Prospectus Summary",  "Risk Factors" and "Material
Changes."

           Management's Discussion And Analysis Of Financial Condition

                            And Results Of Operations

The  information  required for this Post Effective  Amendment No. 2 to Form S-2,
including  our  financial  statements  and  notes to the  financial  statements,
Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations for the fiscal year ended June 30, 1999, is incorporated by reference
to our annual report on Form 10-KSB filed with the SEC on October 12, 1999.


<PAGE>


                                Material Changes

Executive Compensation

The following table represents the compensation awarded to, earned by or paid to
our chief executive  officer and other executive  officers for services rendered
to us from 1997 to 1999.  No other person  during this time who served as one of
our  executive  officers  had a total  annual  salary  and  bonus in  excess  of
$100,000.


SUMMARY OF COMPENSATION TABLE
<TABLE>
<CAPTION>

                                 ANNUAL COMPENSATION                            LONG-TERM COMPENSATION

Name & Principal
Position                         Year       Salary (2)       Other Annual      Restricted     Securities/Underlying
                                                             Compensation      Stock Awards       Option/SARs (1)
<S>                                <C>            <C>        <C>                  <C>               <C>

Richard J. Grable, CEO            1997        $289,779       $115,000            $268,000         22,883
and Director                      1998        $286,225            -0-                 -0-        534,602
                                  1999        $286,225            -0-                 -0-        458,333
Linda B. Grable, President        1997        $ 97,451       $115,000            $268,000         22,883
and Director                      1998        $119,070            -0-                 -0-        534,602
                                  1999        $119,070            -0-                 -0-        458,333
Allan L. Schwartz, Exec           1997        $111,534       $115,000            $268,000        130,410
VP, CFO and Director              1998        $119,070            -0-                 -0-        534,602
                                  1999        $119,070            -0-                 -0-        458,333
</TABLE>

(1)  The  aggregate  dollar value of the 1998 and 1999  options,  based on the
     averaged  high and low price on June 30, 1999 are as follows:
     Richard J. Grable, $341,321; Linda B. Grable, $341,321; and Allan L.
     Schwartz, $341,321.
(2)  The  salaries  include  compensation, which has been accrued  and not paid
     as of June 30, 1999 in the amounts as follows: Richard J. Grable, $59,630;
     Linda B. Grable, $24,806 and Allan L. Schwartz, $24,806.

Employment Agreements

We entered into five-year employment  agreements with Mr. Richard J. Grable, Mr.
Allan L.  Schwartz  and Ms.  Linda B.  Grable  that  expire on August 29,  2004.
According to the terms of their respective  employment  agreements,  base annual
salaries,  after giving  effect to cost of living  adjustments,  are as follows:
Richard J.  Grable,  $286,224.96;  Linda B.  Grable,  $119,069.52;  and Allan L.
Schwartz,  $119,069.52.  In addition, Messrs. Grable and Schwartz and Ms. Grable
each  receive a car  allowance  of $500 per  month.  Each  employment  agreement
provides for bonuses, health insurance, car allowance, and related benefits, and
a cost of living adjustment of 7% per annum. No bonuses have been paid to date.

The following table explains  information  regarding the Options/SARs we granted
to management for the fiscal year ended June 30, 1999.

                     OPTION/SAR GRANTS IN LAST FISCAL YEAR
<TABLE>
<CAPTION>

             No. of Securities    % of Total Options    Exercise or   Market Price
             Underlying Options  Granted to Employees   Base Price     On Date of       Expiration
Name         Granted              In Fiscal Year       ($/Share)      Grant             Date
<S>               <C>               <C>                  <C>           <C>                <C>

Richard J.     250,000              16%                $.17           $.44             7/5/03
Grable         208,333              14$                $.48           $.44             7/5/03

Linda B.       250,000              16%                $.17           $.44             7/5/03
Grable         208,333              14$                $.48           $.44             7/5/03

Allan L        250,000              16%                $.17           $.44             7/5/03
Schwartz       208,333              14$                $.48           $.44             7/5/03

</TABLE>


Stock Option Plans

For the fiscal year ended June 30,  1999,  all of our  executive  officers  were
participants  in our 1995 stock option plan.  The plan was approved by our board
of  directors  and  adopted by the  shareholders  at the March 29,  1995  annual
meeting. The plan provides for the granting, exercising and issuing of incentive
options pursuant to Internal  Revenue Code,  Section 422. We may grant incentive
stock options to purchase up to 5% of our issued and outstanding common stock at
any  time.   Our  board  of  directors   has  direct   responsibility   for  the
administration of the plan.

On August 30, 1999, we established an equity  incentive  plan. The  shareholders
must approve this plan within 1 year.  The maximum  number of shares that can be
granted  under  this plan is  15,000,000  shares of common  stock and  5,000,000
shares of preferred stock.  The series,  rights and preferences of the preferred
stock are to be determined  by our board of  directors.  This plan also includes
any stock available for future stock rights under our 1995 stock option plan.

Under  both of these  plans,  the  exercise  price of the  incentive  options to
employees  must be equal to at least 100% of the fair market value of the common
stock,  as of the date of grant.  The  exercise  price of  incentive  options to
officers,  or affiliated persons, must be at least 110% of the fair market value
as of the date of grant.

According  to stock  option  agreements,  Mr.  Richard J.  Grable,  Mr. Allan L.
Schwartz  and Mrs.  Linda B. Grable  each have an option to  purchase  2,500,000
shares  of  common  stock  or  preferred  stock.  These  options  vest in  equal
installments  over a  five-year  period at an  exercise  price of $.21 per share
(110% of the fair market value of the shares on the date of grant).  These stock
option agreements terminate on August 30, 2003.

         Security Ownership of Certain Beneficial Owners and Management

The  following  table shows the  beneficial  ownership of our common stock as of
December 1, 1999 regarding:

(i)      each person that we know of who beneficially owns more than 5% of the
         outstanding shares of our common stock,
(ii)     each current director and executive officer, and
(iii)    all executive officers and directors as a group.

The actual  number of shares of common  stock  held by Richard  Grable and Linda
Grable,  without giving effect to options,  are 11,494,540 and 3,572,300 shares,
respectively.  Both Richard  Grable and Linda Grable  specifically  disclaim any
beneficial interest in each other's shares.

Name and Address             Number of Shares Owned    % of Outstanding
of Beneficial Owner          Beneficially (1)(2)       Shares of Common Stock
- -------------------          ----------------------    ----------------------

Richard J. Grable              16,983,506(3)                   21.4%
c/o 351 NW 18th Court
Plantation, FL 33313

Linda B. Grable                16,983,506(4)                   21.4
c/o 6351 NW 18th Court
Plantation, FL 33313

Allan L. Schwartz               4,380,893(5)                    5.5
c/o 6351 NW 18th Court
Plantation, FL 33313

All officers and directors     21,364,399 (6)                  26.9
as a group (3 persons)

(1)   Except as indicated in the footnotes to this table,  based on  information
      provided by such  persons,  the persons named in the table above have sole
      voting  power and  investment  power with  respect to all shares of common
      stock shown beneficially owned by them.
(2)   Percentage  of  ownership  is based on  79,258,357  shares of common stock
      outstanding  as of December 7, 1999 plus each  person's  options  that are
      exercisable  within  60 days.  Shares  of common  stock  subject  to stock
      options  that are  exercisable  within 60 days as of  December 1, 1999 are
      deemed  outstanding  for computing  the  percentage of that person and the
      group.
(3)   Includes  958,333  shares  subject to options and 3,572,300  shares owned
      by the wife of Richard J. Grable,  Linda B. Grable, of which he disclaims
      beneficial ownership.
(4)   Includes 958,333 shares subject to options and 11,494,540  shares owned by
      the husband of Linda B. Grable,  Richard J. Grable, of which she disclaims
      beneficial ownership.
(5)   Includes 958,333 shares subject to options and 9,000 shares owned by the
      wife of Allan L. Schwartz,  Carolyn  Schwartz, of which he disclaims
      beneficial ownership.
(6)   Includes  1,916,666  shares  subject to options  held by Linda and Richard
      Grable and 958,333 shares subject to options held by Allan Schwartz.  Also
      includes  9,000  shares  owned by the wife of Allan L.  Schwartz,  Carolyn
      Schwartz, of which he disclaims beneficial ownership.

Dividend Policy

To date, we have not declared or paid any dividends  with respect to our capital
stock,  and the  current  policy of our  board of  directors  is to  retain  any
earnings to provide for our growth. Consequently, no cash dividends are expected
to be paid on our common stock in the foreseeable future.

                 Certain Relationships and Related Transactions

Richard  J.  Grable  and Linda B.  Grable are  husband  and wife.  They are each
"control persons" as a result of their control of a majority voting power of our
outstanding stock. Both parties disclaim,  however,  any beneficial  interest or
ownership in the shares owned by the other party.

In  September  and  October  1998,  Linda  Grable,  our  president,   personally
guaranteed  three  promissory  notes we  issued  to third  parties.  Ms.  Grable
received  no  compensation  for  these  guarantees.   As  of  the  date  of  the
registration statement, one of these three notes has been repaid.

In June 1998, we finalized an exclusive  patent  license  agreement with Richard
Grable,  our chief  executive  officer.  Mr.  Grable is the owner of the patent,
which  encompasses  the technology for the CTLM(TM).  Our company and Mr. Grable
had previously  entered into an oral agreement for the exclusive license for the
patent that was never  memorialized  in written form. The term of the license is
for the life of the patent (17 years) and any renewals,  subject to termination,
under specific  conditions.  As consideration for this license, we issued to Mr.
Grable  3,500,000  shares of common  stock and were  required to issue to him an
additional 3,500,000 shares in June 1999. In addition, we have agreed to pay Mr.
Grable a royalty based upon the net selling price (the dollar amount earned from
our sale, both  international  and domestic,  before taxes minus the cost of the
goods sold and commissions or discounts paid) of all products and goods in which
the patent is used,  before  taxes and after  deducting  the direct  cost of the
product  and  commissions  or  discounts  paid.  During the  second  year of the
agreement there is a minimum cash royalty  provision of $250,000  payable at the
end of the second year which Mr. Grable has deferred until we commence sales and
delivery of CTLM(TM) systems.

Since  October  1998,  we have  accrued  $109,243  in  salaries  payable  to our
executive officers and directors, Richard J. Grable, Allan Schwartz and Linda B.
Grable, due to our lack of working capital. These salaries remain unpaid to date
and will be paid as soon as we determine that the funds are available.

In January 1999 and February 1999, Richard Grable,  sold an aggregate of 831,743
shares of our common stock owned by him in excess of 4 years,  according to Rule
144 and lent the aggregate proceeds of approximately $347,775 directly to us. In
January 1999, February 1999 and March 1999, Linda Grable, also sold an aggregate
of  520,000  shares  of our  common  stock  owned by her in  excess  of 4 years,
according to Rule 144 and lent the aggregate proceeds of approximately  $166,618
directly to us and in December  1998,  January  1999 and  February  1999,  Allan
Schwartz, sold an aggregate of 820,000 shares owned by him in excess of 4 years,
according to Rule 144 and lent the aggregate proceeds of approximately  $359,707
directly  to us. All of these loans were  interest  free and were  evidenced  by
promissory notes. These promissory notes were due on January 30, 1999,  February
28, 1999,  March 31, 1999,  and April 30, 1999,  respectively.  The net proceeds
were recorded as a loan payable to each respective lender.

A meeting of our board of  directors  was held on May 12, 1999 to review and act
upon the  previously  adopted  schedule of repayment of the loans,  interest and
potential tax liability.  Based on an opinion of the Grables'  personal  outside
counsel  and upon  advice of a tax  advisor,  our  board  voted to  rescind  the
previously adopted  resolution.  The new resolution  authorized the repayment of
the  December,  January,  February,  and March  promissory  notes in full by the
issuance of shares equal to the number of shares  sold.  The  restricted  shares
issued as repayment for the loans bear registration rights. Since the loans were
repaid on a share for share basis with no other consideration,  the Grables have
been  advised  that there is no capital  gain and  therefore  no tax  liability.
Messrs. Grable,  Schwartz and Ms. Grable received 831,743,  820,000, and 520,000
shares of our restricted common stock, respectively,  as payment in full for the
loans made between December 1998 and March 1999.

In May 1999, Messrs. Grable and Schwartz each sold 110,000 shares, respectively,
of our common  stock owned by them in excess of 4 years,  according  to Rule 144
and lent the aggregate  proceeds of  approximately  $91,759  directly to us. The
loans were  evidenced by interest  free  promissory  notes,  which were due, and
payable on June 30, 1999.  In June 1999,  Messrs.  Grable and Schwartz each sold
280,000 and 315,020 shares,  respectively,  of our common stock owned by them in
excess of 4 years,  according  to Rule 144 and lent the  aggregate  proceeds  of
approximately $201,795 directly to us. The loans were evidenced by interest free
promissory  notes,  which were due, and payable on July 31, 1999.  In July 1999,
Mr. Schwartz sold 500,000 shares of our common stock owned by him in excess of 4
years,  according to Rule 144 and lent the aggregate  proceeds of  approximately
$137,241  directly to us. The loan was evidenced by an interest free  promissory
note,  which was due,  and payable on August 31,  1999.  All of these loans were
interest  free and were  evidenced by promissory  notes.  The May, June and July
promissory  notes were due on June 30, 1999,  July 31, 1999 and August 31, 1999,
respectively.  The  net  proceeds  were  recorded  as a  loan  payable  to  each
respective  lender.  Messrs.  Grable and Schwartz  received  390,000 and 925,500
shares of our restricted common stock, respectively,  as payment in full for the
loans made between May 1999 and July 1999.

                         Sale of Unregistered Securities

Private Placement of Preferred Stock

We have had to rely on the private  placement of  preferred  and common stock to
obtain working  capital.  In deciding to issue  preferred  stock pursuant to the
private placements,  we took into account the number of common shares authorized
and  outstanding,  the  market  price  of the  common  stock at the time of each
preferred  sale and the number of common shares the  preferred  stock would have
been  convertible  into at the time of the  sale.  At the  time of each  private
placement of preferred stock there were enough shares, based on the price of our
common stock at the time of the sale of the  preferred to satisfy the  preferred
conversion  requirements.  Although our board of directors  tried to negotiate a
floor on the conversion  price of each series of preferred  stock prior to sale,
it was unable to do so. In order to obtain  working  capital we will continue to
seek capital through debt or equity  financing which may include the issuance of
convertible  preferred  stock whose rights and preferences are superior to those
of the common stock holders.  We will endeavor to negotiate the best transaction
possible taking into account the impact on our shareholders,  dilution,  loss of
voting power and the possibility of a  change-in-control.  However,  in order to
satisfy  our  working  capital  needs,  we may be  forced  to issue  convertible
securities and debentures  with no limitations on conversion.  In addition,  the
dividends  on  the  preferred   stock  affect  the  net  losses   applicable  to
shareholders.  There  are  also  applicable  adjustments  as  a  result  of  the
calculation of the deemed preferred stock dividends because we have entered into
contracts  providing for discounts on the preferred  stock when it is converted.
As a result of the dividends on  cumulative  preferred  stock,  the net loss per
common  shareholder has increased from $.07 per share for the fiscal year ending
June 30, 1998 to $.02 per share for the fiscal year  ending June 30,  1999.  The
cumulative total is $.21 per share.

In the event  that we issue  preferred  stock  without a limit on the  number of
shares  that can be issued  upon  conversion  and the price of our common  stock
decreases,  the percentage of shares  outstanding that will be held by preferred
holders upon  conversion will increase  accordingly.  The lower the market price
the greater  the number of shares to be issued to the  preferred  holders,  upon
conversion,  thus increasing the potential profits to the holders when the price
per share  increases and the holders sell the common  shares.  In addition,  the
sale of a substantial  amount of preferred stock to relatively few holders could
cause a possible  change-in-control.  In the event of a voluntary or involuntary
liquidation  while the  preferred  stock is  outstanding,  the  holders  will be
entitled  to  a  preference  in  distribution  of  our  property  available  for
distribution  equal to $10,000 per share. The following table summarizes certain
information with regard to the Series B, D, E, G, H, and I preferred stock as of
December 7, 1999.

<TABLE>
<CAPTION>
  SERIES/# OF        COMMON      CONVERSION    #  OF  COMMON  SHARES  APPROX. PRICE OR    # OF COMMON  SHARES
  PREFERRED SHARES   STOCK       PRICE AT      CONVERTIBLE INTO AT    PRICE RANGE OF      ISSUED UPON
  UNCONVERTED        PRICE AT    TIME OF       TIME OF ISSUANCE (1)   COMMON STOCK        CONVERSIONS
                     TIME OF     ISSUANCE                             AT TIME OF
                     ISSUANCE                                         CONVERSIONS
   <S>                <C>           <C>            <C>                <C>                     <C>
   B/247             $4.70        $3.85         1,168,831            $.379 to $.06944      19,015,377
   G/3               $.34         $.255         1,490,196            $.1519 to $.10875     3,510,275(2)
   H/8               $.56         $.42          2,571,429            $.5025 to $.06        9,828,392
   I/138             $.38         $.285         4,842,105            N/A                   N/A
</TABLE>

(1)  Approximate number estimated for the purpose of this table only.
(2)  Of these 3,510,275  shares,  we issued 2,161,201 shares with a restrictive
     legend as there was an insufficient  number of shares available under this
     registration  statement to issue all of the shares  without a  restrictive
     legend.

Series B Preferred Stock

In December 1996, we sold an aggregate of 450 shares of our Series B convertible
preferred stock, for an aggregate of $4,500,000, to Weyburn Overseas Limited and
Goodland International Investment Ltd. pursuant to Regulation D. At the time the
placement was  concluded,  the average bid and ask price of our common stock was
approximately  $4.70 per share.  Net proceeds to us of $4,500,000  were used for
working  capital and the  continuous  research,  development  and testing of our
CTLM(TM). No fees were paid in connection with this offering.

We filed a registration  statement on Form S-1 registering the shares underlying
the Series B preferred.  The shares were never  converted  and the  registration
statement is no longer  current.  On September 4, 1998,  we received a notice of
conversion  from Weyburn and Goodland  requesting  the issuance of 4,559,846 and
10,639,642 shares of common stock, respectively.  The conversion rate was 82% of
the  average  market  price  over a  five-day  period  prior  to  conversion  or
approximately  $.35014  per share.  At the time the shares of Series B preferred
stock were issued, the conversion rate would have been $3.85 per share and these
preferred shares would have been convertible into 1,168,831 shares. The increase
in the  number of common  shares to be  issued  upon  conversion  was due to the
decline in the market price of our common  stock.  We have the option to pay the
accrued dividends in common stock.

On October 7, 1998 a lawsuit was filed against us in the United States  District
Court,  Southern  District of New York, by the Series B preferred  holders (Case
No. 98 Civ. 086). On April 6, 1999, the Series B preferred stock was sold by the
Series B preferred holders to Charlton Avenue,  LLC, an unaffiliated third party
with no prior relationship to us or the Series B preferred holders.  On April 6,
1999, we also entered into a  subscription  agreement  with Charlton  whereby we
agreed to issue to Charlton 138 shares of our Series I, 7% convertible preferred
stock as discussed below.

As of  December  7, 1999,  we had a balance of 247 shares of Series B  preferred
which have not yet been converted.

As of the date of this registration statement, the following number of shares of
Series B preferred has been converted into common shares:

         Series B
      preferred shares        Common shares
        converted             converted into      Conversion Price
            60                  1,931,123              $.379
            10                    620,155              $.16125
             7                    547,409              $.127875
            17                  1,552,964              $.1131
            18                  2,107,358              $.088724
            12.5                1,509,992              $.0861
            12.5                1,706,453              $.076342
            15                  2,181,518              $.071832
            16                  2,408,876              $.06944
            15                  2,258,322              $.06944
            20                  2,191,207              $.09544


Series C Preferred Stock

On October 6, 1997,  we  finalized  the  private  placement  to Austost  Anstalt
Schaan,  UFH  Endowment,  Inc.,  Chris Baum,  Avalon Capital  Limited,  Dominion
Capital,  Ltd. and The Cuttyhunk Fund Limited, an aggregate of 210 shares of our
Series C convertible  preferred  stock at a purchase  price of $10,000 per share
and warrants to purchase up to 105,000 shares of our common stock at an exercise
price of $1.63 per share and to  purchase  up to 50,000  warrants at an exercise
price of $1.56 per share.  The offering was conducted  according to Regulation S
under the  Securities  Act of 1933,  as amended.  At the time the  placement was
concluded,  the average bid and ask price of our common stock was  approximately
$1.63 per share.

These preferred shares were  convertible,  at any time,  commencing 45 days from
the date of issuance and for a period of 3 years thereafter,  without additional
consideration.  According to the subscription agreement, each Series C preferred
holder,  or any subsequent  holder of the preferred  stock,  was prohibited from
converting  any portion of the preferred  stock which would result in the holder
being deemed the  beneficial  owner,  in accordance  with the provisions of Rule
13d-3 of the  Securities  Act of 1934, as amended,  of 4.99% or more of the then
issued  and  outstanding  common  stock.  Due  to  this  contractual   ownership
limitation, the shares of Series C preferred stock were converted, in increments
that, together with all shares of our common stock held by the holder, would not
exceed  4.99% of our  outstanding  common  stock.  The  number of fully paid and
non-assessable  shares of our common stock, no par value, issued upon conversion
was determined by dividing (i) the sum of $10,000 by (ii) the  conversion  price
in effect at the time of conversion.  The  conversion  price was equal to 75% of
the average  closing price of our common stock for the five-day  trading  period
ending  on the day prior to the date of  conversion;  provided,  however,  in no
event was the conversion price to be greater than $1.222 per share.

According to the Regulation S sale documents, we were also required to escrow an
aggregate of 3,435,583  shares of our common stock.  The shares  underlying  the
preferred stock and warrants were entitled to demand  registration rights in the
event that  Regulation S was amended  prior to the  conversion  of the preferred
stock. This right expired upon conversion.

In connection with this sale, we paid Settondown Capital International, Ltd., an
unaffiliated  investment banker an aggregate of $220,500 for placement and legal
fees.  Net proceeds to us of  $1,879,500  were used for working  capital and the
continuous research, development and testing of the CTLM(TM).

The Series C preferred stock was subsequently  converted,  in increments of less
than 4.99% of our  outstanding  shares,  into an aggregate  of 2,646,527  common
shares.

Series D Preferred Stock

On January 9, 1998, we finalized the private placement to Avalon Capital Ltd. of
50 shares of our Series D convertible  preferred  stock,  at a purchase price of
$10,000 per share and  warrants  to  purchase up to 25,000  shares of our common
stock at an  exercise  price of $1.22 per  share.  The  offering  was  conducted
according to Regulation S under the Securities  Act of 1933, as amended.  At the
time the  placement was  concluded,  the average bid and ask price of our common
stock was approximately $1.22 per share.

These preferred shares were  convertible,  at any time,  commencing 45 days from
the  date of  issuance  and for a  period  of three  years  thereafter,  without
additional consideration. According to the subscription agreement, each Series D
preferred  holder,  or  any  subsequent  holder  of  the  preferred  stock,  was
prohibited from converting any portion of the preferred stock which would result
in the  holder  being  deemed  the  beneficial  owner,  in  accordance  with the
provisions of Rule 13d-3 of the Securities  Exchange Act of 1934, as amended, of
4.99% or more of the then  issued  and  outstanding  common  stock.  Due to this
contractual  ownership  limitation,  the shares of Series D preferred stock were
converted in increments that,  together with all shares of our common stock held
by the holder,  would not exceed  4.99% of our  outstanding  common  stock.  The
number of fully  paid and  non-assessable  shares of our  common  stock,  no par
value,  issued upon conversion was determined by dividing (i) the sum of $10,000
by (ii) the conversion price in effect at the time of conversion. The conversion
price was equal to 75% of the average  closing price of our common stock for the
five-day  trading period ending on the day prior to the date of conversion.  The
shares  underlying  the  preferred  stock and warrants  were  entitled to demand
registration  rights in the event that  Regulation  S was  amended  prior to the
conversion of the preferred stock. This right expired upon conversion.

In  connection  with the  Regulation  S sale,  we  issued 4 shares  of  Series D
preferred  stock to Settondown  Capital  International,  Ltd.,  an  unaffiliated
investment banker for placement fees and paid legal fees of $5,000. Net proceeds
to us of $495,000  were used for working  capital and the  continuous  research,
development  and testing of the  CTLM(TM).  The Series D  convertible  preferred
stock was  subsequently  converted,  in  increments  of less  than  4.99% of our
outstanding shares, into an aggregate of 1,717,134 common shares.

Series E Preferred Stock

On February 5, 1998,  we  finalized  the private  placement  to Austost  Anstalt
Schaan and Balmore Funds S.A. of 50 shares of our Series E convertible preferred
stock,  at a purchase  price of $10,000 per share and warrants to purchase up to
25,000 shares of our common stock at an exercise price of $1.093 per share.  The
offering was  conducted  according to Regulation S under the  Securities  Act of
1933, as amended.  At the time the placement was concluded,  the average bid and
ask price of our common stock was approximately $1.093 per share.

These preferred shares were  convertible,  at any time,  commencing 45 days from
the  date of  issuance  and for a  period  of  three  years  thereafter  without
additional consideration. According to the subscription agreement, each Series E
preferred  holder,  or  any  subsequent  holder  of  the  preferred  stock,  was
prohibited from converting any portion of the preferred stock which would result
in the  holder  being  deemed  the  beneficial  owner,  in  accordance  with the
provisions of Rule 13d-3 of the Securities Act of 1934, as amended,  of 4.99% or
more of the then issued and outstanding  common stock.  Due to this  contractual
ownership limitation,  the shares of Series E preferred stock were converted, in
increments  that,  together  with all  shares of our  common  stock  held by the
holder,  would not exceed  4.99%.  The  number of fully paid and  non-assessable
shares of our common stock, no par value,  issued upon conversion was determined
by dividing (i) the sum of $10,000 by (ii) the conversion price in effect at the
time of conversion.  The conversion price is equal to 75% of the average closing
price of our common  stock for the  five-day  trading  period  ending on the day
prior to the date of conversion.

The shares  underlying the preferred  stock and warrants were entitled to demand
registration  rights in the event that  Regulation  S was  amended  prior to the
conversion of the preferred stock. This right expired upon conversion.

In  connection  with the  Regulation  S sale,  we  issued 4 shares  of  Series E
preferred  stock to Settondown  Capital  International,  Ltd.,  an  unaffiliated
investment banker for placement fees and paid legal fees of $5,000. Net proceeds
to us of $495,000  were used for working  capital and the  continuous  research,
development and testing of the CTLM(TM).

The Series E preferred stock was subsequently  converted,  in increments of less
than 4.99% of our  outstanding  shares,  into an aggregate  of 1,282,826  common
shares.

Series F Preferred Stock

On February 20, 1998, we finalized a private placement to Dominion Capital Fund,
LTD and  Canadian  Advantage,  LTD of 75  shares  of our  Series  F  convertible
preferred  stock at a purchase  price of $10,000  per share.  The  offering  was
conducted  according  to  Regulation  S under  the  Securities  Act of 1933,  as
amended. At the time the placement was concluded,  the average bid and ask price
of our common stock was approximately $1.31 per share.

The preferred shares pay a dividend of 6% per annum,  payable in common stock at
the time of each conversion and were  convertible,  at any time,  commencing May
15,  1998  and  for  a  period  of  two  years  thereafter   without  additional
consideration.  According to the subscription agreement, each Series F preferred
holder,  or any subsequent  holder of the preferred  stock,  was prohibited from
converting  any portion of the preferred  stock which would result in the holder
being deemed the  beneficial  owner,  in accordance  with the provisions of Rule
13d-3 of the  Securities  Exchange Act of 1934, as amended,  of 4.99% or more of
the then issued and outstanding common stock. Due to this contractual  ownership
limitation, the shares of Series F preferred stock were converted, in increments
that, together with all shares of our common stock held by the holder, would not
exceed  4.99% of our  outstanding  common  stock.  The  number of fully paid and
non-assessable shares of our common stock, issued upon conversion was determined
by  dividing  (i) the sum of  $10,000  plus  any  earned  dividends  by (ii) the
conversion  price in effect at the time of conversion.  The conversion  price is
equal to 70% of the average  closing  price of our common stock for the five-day
trading  period  ending on the day prior to the date of  conversion.  The shares
underlying the preferred stock are entitled to demand registration rights in the
event that Regulation S was amended prior the conversion of the preferred stock.
According to these  demand  rights the  1,971,375  shares of common stock issued
upon the conversion of the Series F preferred are being  registered on behalf of
the holders according to a registration statement on Form S-2.

In connection  with the  Regulation S sale,  we paid,  Rolcan  Finance,  Ltd. an
aggregate  of $50,000  for  placement  and legal  fees.  Net  proceeds  to us of
$700,000 were used for working capital and the continuous research,  development
and testing of the CTLM(TM).

Series G Preferred Stock

On March 17, 1999, we finalized a private placement to Amro International, S.A.,
Nesher Inc.,  Hewlett  Fund,  and Guaranty & Finance  Ltd.,  of 35 shares of our
Series G convertible  preferred  stock at a purchase  price of $10,000 per share
and two year  warrants  to  purchase  65,625  shares of our  common  stock at an
exercise  price of $.50 per share.  The  offering  was  conducted  according  to
Regulation  D under the  Securities  Act of 1933,  as  amended.  At the time the
placement was  concluded,  the average bid and ask price of our common stock was
approximately  $.34 per share. In connection with the Regulation D Sale, we paid
Settondown  Capital  International,  Ltd., and Libra Finance S.A.,  unaffiliated
investment  bankers  an  aggregate  of 3  shares  of the  Series  G  convertible
preferred stock for placement and legal fees. Net proceeds of $350,000 were used
for working capital and the continuous research,  development and testing of the
CTLM(TM).

The Series G convertible preferred stock has no dividend provisions.  The number
of fully  paid and  non-assessable  shares  of common  stock to be  issued  upon
conversion  will be  determined  by dividing  (i) the sum of $10,000 by (ii) the
conversion  price in effect at the time of conversion.  The conversion  price is
equal to the  lesser of (i) 75%  discount  to the two  lowest  bids in a ten-day
period immediately preceding the conversion date or (ii) $.54. There is no floor
on the  conversion  price and no time  limits on  conversion.  The shares can be
converted  at  any  time  without  additional  consideration.  According  to the
subscription  agreement,  and  Series G  designation,  each  Series G  preferred
holder,  or any subsequent  holder of the preferred  stock,  is prohibited  from
converting any portion of this preferred  stock which would result in the holder
being deemed the  beneficial  owner,  in accordance  with the provisions of Rule
13d-3 of the  Securities  Exchange Act of 1934, as amended,  of 4.99% or more of
the then issued and outstanding common stock. Due to this ownership  limitation,
the shares of Series G preferred stock can only be converted in increments that,
together  with all shares of our  common  stock  held by the  holder,  would not
exceed 4.99%.  According to the terms of the  registration  rights  agreement we
were required to register 100% of the number of shares that would be required to
be issued if the preferred  stock were converted on the day before the filing of
the registration statement. In the event that the registration statement was not
filed  within 14 days from the  closing  or that it was not  declared  effective
within 60 days,  we are  required  to pay the  Series G  preferred  holders,  as
liquidated  damages,  for failure to have the  registration  statement  declared
effective,  not as a penalty,  3% of the principal amount of the securities sold
for  each  30-day  period  thereafter  until  we  procure  registration  of  the
securities.  In the  event  that  the  registration  statement  is not  declared
effective  within 120 days,  the Series G  preferred  holders  have the right to
force us to redeem the Series G preferred at a  redemption  price of 120% of the
face value of the preferred.  According to the  registration  rights  agreement,
100% of that  number of shares that would be required to be issued if the Series
G  preferred  were  converted  on the day before the filing of the  registration
statement, 1,634,409, are being registered on behalf of the holders.

In the event that the price of our common stock  decreases,  the  percentage  of
shares that will be held by the Series G preferred  holders upon conversion will
increase since the conversion price of the Series G preferred is based on 75% of
the  average  price,  without a limit on the number of shares that can be issued
upon conversion.

In the event of a  voluntary  or  involuntary  liquidation  while  the  Series G
preferred  is  outstanding,   the  holders  are  entitled  to  a  preference  in
distribution  of our property  available for  distribution  equal to $10,000 per
share.

As of the date of this registration  statement, 35 shares of Series G preferred
have been converted into 3,510,275 shares of common stock at a conversion price
range of $.10875 to $.1519 per share.

Series H Preferred Stock

On June 2, 1998, we finalized a private  placement to Austost Anstalt Schaan and
Balmore Funds S.A. of 100 shares of our Series H convertible  preferred stock at
a  purchase  price of  $10,000  per share and  75,000 A  warrants  and  50,000 B
warrants.  The A and B warrants  are  exercisable  at $1.00 and $1.50 per share,
respectively.  The offering was  conducted  according to  Regulation D under the
Securities Act of 1933, as amended. At the time the placement was concluded, the
average bid and ask price of our common stock was approximately  $.56 per share.
In  connection  with  the  Regulation  D  sale,  we  paid   Settondown   Capital
International,  Ltd., an unaffiliated  investment banker an aggregate of $10,000
and 8 shares of the Series H preferred  stock for placement and legal fees.  Net
proceeds of $990,000 were used for working capital and the continuous  research,
development and testing of the CTLM(TM).

The number of fully paid and non-assessable  shares of common stock to be issued
upon  conversion  will be  determined  by dividing the (i) the sum of $10,000 by
(ii) the conversion  price in effect at the time of  conversion.  The conversion
price is equal to the lesser of $.53 and 75% of the lowest  closing bid price of
our common stock for the ten-day  trading  period ending on the day prior to the
date of conversion. There is no floor on the conversion price and no time limits
on  conversion.  The  shares can be  converted  at any time  without  additional
consideration.  According to the subscription agreement, each Series H preferred
holder,  or any subsequent  holder of the preferred  stock,  is prohibited  from
converting  any portion of the preferred  stock which would result in the holder
being deemed the  beneficial  owner,  in accordance  with the provisions of Rule
13d-3 of the  Securities  Act of 1934, as amended,  of 4.99% or more of the then
issued  and  outstanding  common  stock.  Due  to  this  contractual   ownership
limitation,  the shares of Series H  preferred  stock can only be  converted  in
increments  that,  together  with all  shares of our  common  stock  held by the
holder,  would not  exceed  4.99%.  According  to the terms of the  registration
rights agreement,  as amended,  we have registered herein 100% of that number of
shares that would be required to be issued if the preferred stock were converted
on the day before the filing of the registration statement, 2,924,731 shares. We
are in technical default of the registration  rights  agreement,  which required
the  registration  statement  to be  declared  effective  by  October  2,  1998.
According  to the  registration  rights  agreement,  we are  required to pay the
Series H  preferred  holders  in cash or in stock,  as  liquidated  damages  for
failure to have the registration statement declared effective, not as a penalty,
2% of the principal  amount of the securities sold for first 30-day period,  and
3% of the principal  amount of the securities for each 30-day period  thereafter
until we procure  registration of the securities.  According to the registration
rights  agreement,  liquidated  damages of $169,000 have accrued as of March 31,
1999. We are presently  unable to comply with the  liquidated  damage  provision
payment  and no  assurances  can be  given  that we will be able to do so in the
future.  On March 25, 1999, we issued 424,242 shares of restricted  common stock
with registration rights to the Series H preferred  shareholders in lieu of cash
for  liquidated  damages  through  March 2, 1999.  The value of these shares was
$140,000,  leaving a balance of $29,000 due for liquidated damages through March
31,  1999.  We have the option of paying the accrued  dividends  and  liquidated
damages in common stock.

In the event that the price of our common stock  decreases,  the  percentage  of
shares that will be held by the Series H preferred  holders upon conversion will
increase since the conversion price of the Series H preferred is based on 75% of
the  average  price,  without a limit on the number of shares that can be issued
upon conversion.

In the event of a voluntarily or  involuntarily  liquidation  while the Series H
preferred  is  outstanding,   the  holders  are  entitled  to  a  preference  in
distribution  of our property  available for  distribution  equal to $10,000 per
share.

As of the date of the registration statement, the following number of shares of
Series H preferred stock have been converted into common shares:

As of  December  7, 1999,  we had a balance  of 8 shares of Series H  preferred
which have not yet been converted.

         Series H
         preferred shares      Common shares
         converted             converted into          Conversion price
            5                       99,502                  $.5025
           35                    1,666,666                  $.21
            5                      333,333                  $.15
            5                      333,333                  $.15
            5                      459,770                  $.10875
            4                      367,816                  $.10875
            5                      564,972                  $.0885
            7.5                  1,250,000                  $.06
            7.5                  1,250,000                  $.06
           12.5                  2,086,333                  $.06
            8.5                  1,416,667                  $.06

Series I Preferred

On April 6, 1999, we also entered into a  subscription  agreement  with Charlton
where we agreed to issue  Charlton  138 shares of our  Series I, 7%  convertible
preferred  stock.  Our board of directors  established the value of the Series I
preferred at $10,000 per share.  Consideration  for the subscription was paid as
follows:

         (i)      payments of all of the  accumulated  dividends (approximately
                  $725,795) in  connection  with the Series B preferred stock;
         (ii)     settlement and dismissal,  with  prejudice,  of all litigation
                  concerning  the Series B preferred  stock and the  exchange of
                  mutual releases;
         (iii)    cancellation of 112,500 warrants that were issued with the
                  Series B preferred stock; and
         (iv)     amendment of the Series B  designation  to impose a limitation
                  on the  owner(s) of the Series B preferred  stock to ownership
                  of not more than 4.99% of our outstanding  common stock at any
                  one time.

The Series I preferred  pay a 7% premium,  to be paid in cash or freely  trading
common stock in our sole discretion, at the time of each conversion.  The number
of fully  paid and  non-assessable  shares  of common  stock to be  issued  upon
conversion  will be  determined  by dividing  (i) the sum of $10,000 by (ii) the
conversion  price in effect at the time of conversion.  The conversion  price is
equal to 75% of the average  closing  price of our common stock for the five-day
trading period ending on the day prior to the date of the conversion. The shares
can be converted at any time without additional consideration.  According to the
Series I designation  and the  subscription  agreement,  each Series I preferred
holder,  or any subsequent  holder of the preferred  stock,  is prohibited  from
converting  any portion of the preferred  stock which would result in the holder
being deemed the  beneficial  owner,  in accordance  with the provisions of Rule
13d-3 of the  Securities  Act of 1934, as amended,  of 4.99% or more of the then
issued  and  outstanding  common  stock.  Due  to  this  contractual   ownership
limitation,  the shares of Series I  preferred  stock can only be  converted  in
increments  that,  together  with all  shares of our  common  stock  held by the
holder, would not exceed 4.99%.

According to the registration  rights  agreement,  100% of that number of shares
that would be required to be issued if the I preferred  stock were  converted on
the day before the filing of the registration  statement,  5,935,484,  are being
registered on behalf of the holders.

In the event that the price of our common stock  decreases,  the  percentage  of
shares that will be held by the Series I preferred  holders upon conversion will
increase since the conversion price of the Series I preferred is based on 75% of
the  average  price,  without a limit on the number of shares that can be issued
upon conversion.

In the event of a voluntarily or  involuntarily  liquidation  while the Series I
preferred  is  outstanding,   the  holders  are  entitled  to  a  preference  in
distribution  of our property  available for  distribution  equal to $10,000 per
share.

The offering was conducted according to Regulation D under the Securities Act of
1933, as amended.  At the time the placement was concluded,  the average bid and
ask price of our common stock was approximately $.39 per share.

As of the  date  of the  registration  statement,  no  shares  of the  Series  I
preferred stock have been converted.

Convertible Debentures - Charlton

We also entered into a  subscription  agreement  with  Charlton,  where Charlton
purchased a convertible debenture for $1,100,000.  In addition, we may draw down
a second  tranche in the amount of $825,000  anytime 30 days after the effective
date of the registration statement as long as we maintain an average closing bid
price of $.45 for the 10 trading days  immediately  prior to the date we request
the second  tranche  funding.  We may draw down a third tranche in the amount of
$825,000 anytime 60 days after the effective date of the registration  statement
as long as we maintain  an average  closing bid price of $.45 for the 10 trading
days immediately  prior to the date we request the third tranche  funding.  When
concluded,  assuming  all the  conditions  set forth above are met, the proceeds
from the debenture offering will be $2,750,000.

The debentures pay a 7% premium,  to be paid at our sole discretion,  in cash or
freely trading  common stock at the time of each  conversion and is secured by a
mortgage  on our  corporate  office  building.  The  debentures  are  subject to
automatic  conversion  at the end of 2 years  from  the  date of  issuance.  The
mortgage will be released after the registration  statement  covering the common
stock underlying the debentures has been declared effective and upon the earlier
of (a) the day we qualify for listing on AMEX or NASDAQ, as long as said listing
requirements  are not being met through a reverse split of our common stock, and
(b) 180 days from the date we receive the third  tranche  funding,  as described
above.

According to the registration  rights  agreement,  100% of that number of shares
that would be required to be issued if the debenture  were  converted on the day
before the filing of the registration  statement,  4,731,183  shares,  are being
registered on behalf of the holders.

The  number of fully  paid and  non-assessable  shares of common  stock,  no par
value,  to be issued upon  conversion will be determined by dividing (i) the sum
of $10,000 by (ii) the conversion price in effect at the time of conversion. The
conversion  price is equal to 75% of the  average  closing  price of our  common
stock for the five-day trading period ending on the day prior to the date of the
conversion.  The  debentures  can be converted  at any time  without  additional
consideration. According to the subscription agreement, the debenture holder, or
any  subsequent  holder of the  debenture,  is prohibited  from  converting  any
portion  of a  debenture  which  would  result in the  holder  being  deemed the
beneficial  owner,  in  accordance  with  the  provisions  of Rule  13d-3 of the
Securities  Act of 1934,  as  amended,  of 4.99% or more of the then  issued and
outstanding of our common stock. Due to this contractual  ownership  limitation,
the  debentures  can only be converted in  increments  that,  together  with all
shares of our common stock held by the holder, would not exceed 4.99%. Since the
conversion  price of the Charlton  convertible  debenture is based on 75% of the
average  price,  without a limit on the number of shares that can be issued upon
conversion,  in the event  that the price of our  common  stock  decreases,  the
percentage of shares  outstanding that will be held by the debenture holder upon
conversion will increase accordingly.

In  the  event  of a  voluntary  or  involuntary  liquidation  while  any of the
debentures  are  outstanding  the  holders  are  entitled  to  a  preference  in
distribution of our property  available for distribution equal to the debentures
then  outstanding  principal and interest and will be able to foreclose  against
the mortgage.

The offering was conducted according to Regulation D under the Securities Act of
1933, as amended.  At the time the placement was concluded,  the average bid and
ask price of our common stock was approximately $.39 per share.

The proceeds from the sale of the Charlton  convertible  debenture  ($1,100,000)
and any subsequent  tranches of $1,501,500  totaling $2,601,500 will be used for
clinical trials expenses and working capital. As of the date of the registration
statement, no portion of the convertible debentures have been converted.

Convertible Debenture - Spinneret

We entered into a subscription  agreement with Spinneret,  LTD., where Spinneret
purchased a convertible  debenture for $51,000.  The sum of $1,000 was paid upon
issuance of the debenture  for legal fees.  The sum of $50,000 was advanced as a
loan on July 12, 1999,  and the debenture was issued in the principal  amount of
$51,000 on August 11, 1999. The debenture is due on August 11, 2001.

The debenture pays a 7% premium,  to be paid at our sole discretion,  in cash or
freely  trading  common stock at the time of each  conversion  or at the date of
maturity. The debenture is subject to automatic conversion on August 11, 2001.

The  number of fully  paid and  non-assessable  shares of common  stock,  no par
value,  to be issued upon  conversion will be determined by dividing (i) the sum
of $10,000 by (ii) the conversion price in effect at the time of conversion. The
conversion  price is equal to 75% of the  average  closing  price of our  common
stock for the five-day trading period ending on the day prior to the date of the
conversion.  The  debenture  can be  converted  at any time  without  additional
consideration. According to the subscription agreement, the debenture holder, or
any  subsequent  holder of the  debenture,  is prohibited  from  converting  any
portion of the  debenture  which  would  result in the holder  being  deemed the
beneficial  owner,  in  accordance  with  the  provisions  of Rule  13d-3 of the
Securities  Act of 1934,  as  amended,  of 4.99% or more of the then  issued and
outstanding  shares  of our  common  stock.  Due to this  contractual  ownership
limitation,  the debentures can only be converted in increments  that,  together
with all shares of our common stock held by the holder,  would not exceed 4.99%.
Since the conversion  price of the Spinneret  convertible  debenture is based on
75% of the  average  price,  without a limit on the number of shares that can be
issued  upon  conversion,  in the  event  that  the  price of our  common  stock
decreases,  the  percentage  of  shares  outstanding  that  will  be held by the
debenture holder upon conversion will increase accordingly.

The offering was conducted according to Regulation D under the Securities Act of
1933, as amended.  At the time the placement was concluded,  the average bid and
ask price of our common stock was approximately $.0875 per share.

The proceeds from the sale of the debenture will be used for working capital. As
of the date of this  report no portion  of the  convertible  debenture  has been
converted.

Private Placement of Common Stock

In August  1998,  we sold  200,000  shares of  restricted  common stock to Frank
Giambrone,  an  unaffiliated  third  party,  pursuant  to  Regulation  D for  an
aggregate  purchase  price of $60,000.  No placement  fee was paid in connection
with this offering. Net proceeds of $59,990 were used to pay the salaries of our
non-executive  employees.  At the time the placement was concluded,  the average
bid and ask price of our common stock was  approximately  $.28 per share.  These
shares are being registered pursuant to the registration statement.

In September  1998, we sold one unit,  consisting of a $250,000  promissory note
and 200,000 shares of common stock, to Settondown Capital  International,  Ltd.,
an unaffiliated third party, pursuant to Regulation D, for an aggregate purchase
price of $250,000.  These shares are included in the registration  statement. At
the time the sale  occurred,  the average bid and ask price of our common  stock
was $.595.  The note bears  interest  at the rate of 12% per annum.  The note is
personally  guaranteed by Linda B. Grable,  our president.  The repayment of the
note, which was originally due on October 2, 1998 was extended and is now due on
December 31, 1999. We have not received a notice of default in  connection  with
this  note.  In  connection  with  this  sale,  we paid  the sum of  $23,000  to
Manchester Asset Management,  Ltd., an unaffiliated  third party, as a placement
fee. Net proceeds of $227,000  were used as follows:  (i)  salaries,  $21,849 to
executive  officers and $62,447 to  employees;  (ii)  machinery  and  equipment,
$5,959;  (iii) operating  expenses,  $55,240 for inventory parts and assemblies,
employee health insurance, workers compensation and property insurance; and (iv)
working capital,  $82,000.  According to the terms of the note the principal and
interest  is payable in cash,  however,  we may try to  negotiate  repayment  in
common  stock.  We intend to repay the note either from the  debenture  or other
equity and/or debt financing or by the issuance of additional securities.

In October 1998, we sold one unit,  consisting of a $100,000 promissory note and
80,000 shares of common stock,  to Avalon Capital,  Inc., an unaffiliated  third
party,  according to Regulation D, for an aggregate  purchase price of $100,000.
These shares are included in the  registration  statement.  No placement fee was
paid in connection  with this  offering,  however,  we did issue 5,000 shares of
common stock to Goldstein,  Goldstein and Reis LLC, an unaffiliated third party,
as payment for the  attorney's  fees incurred by the  purchaser  pursuant to the
sale. At the time the placement was concluded,  the average bid and ask price of
our common stock was  approximately  $.50 per share.  The note bears interest at
the rate of 12% per annum.  The note, which was originally due November 2, 1998,
was extended and is now due on December 31, 1999.  We have not received a notice
of default in connection  with the note.  The note is  personally  guaranteed by
Linda B. Grable,  our president.  Net proceeds of $100,000 were used as follows:
(i) salaries, $21,849-executive officers and $62,448-employees; and (ii) working
capital, $15,703. According to the terms of the note, the principal and interest
is payable in cash,  however, we may try to negotiate repayment in common stock.
We intend to repay the note either from the  debenture  or other  equity  and/or
debt financing or by the issuance of additional securities.

In October 1998, we sold one unit,  consisting of a $250,000 promissory note and
210,000  shares of common  stock,  to GCA  Strategic  Investment  Fund Ltd.,  an
unaffiliated  third party,  pursuant to Regulation D, for an aggregate  purchase
price of $210,000.  These shares are included in the registration  statement. At
the time the  placement  was  concluded,  the  average  bid and ask price of our
common stock was  approximately  $.43 per share.  The note bore  interest at the
rate of 12% per annum and was  personally  guaranteed  by Linda B.  Grable,  our
president.  In  connection  with the  sale,  we paid the sum of  $23,000  to LKB
Financial LLC, an unaffiliated  third party, as a placement fee. Net proceeds of
$210,000  were used as follows:  (i)  salaries,  $21,849-executive  officers and
$62,448-employees; and (ii) working capital, $125,703. The note, and all accrued
interest,  was paid in January 1999. Our officers  provided the payment for this
loan through the sale of a portion of their shares of our common stock.

In  November  1998,  we  issued  286,000  shares  of  common  stock  as  partial
consideration  for a  $115,000  aggregated  loan to us by  Deborah  O'Brien,  an
employee.  At the time the loan was concluded,  the average bid and ask price of
our common stock was  approximately  $.625 per share. We were obligated to repay
the lender the sum of $50,000. In January 1999, we issued a note evidencing this
indebtedness. The note bears interest at the rate of 7% per annum and is due and
payable  upon  demand.  Net  proceeds  of  $115,000  were used as  follows:  (i)
salaries,  $21,849-executive  officers  and  $62,447-employees;  (ii)  operating
expenses,  $16,345-inventory  parts and assemblies,  employee health  insurance,
workers compensation and property insurance; and (iv) working capital,  $14,359.
On April 8, 1999,  we paid the balance due on the loan of $47,396 to the lender.
These shares are included in the registration statement.

As of the date of this registration  statement,  we have entered into loans with
Balmore Funds S.A. for the aggregate sum of $100,000 and signed promissory notes
with an interest rate of 15% per annum.  These notes were  guaranteed by Richard
J.  Grable and by Linda B.  Grable.  We also  entered  into  loans with  Austost
Anstalt Schaan for the aggregate sum of $50,000 and signed promissory notes with
an interest rate of 15% per annum.  These notes were also  guaranteed by Richard
J. Grable and by Linda B. Grable.

                           Price Range On Common Stock

Our common  stock is traded on the NASDAQ OTC  Bulletin  Board  under the symbol
IMDS.  There has been trading in our common stock since  September 20, 1994. The
following  table sets  forth,  for each of the  fiscal  periods  indicated,  the
high/low  and  low/low bid prices for the common  stock,  as reported on the OTC
Bulletin Board.  These per share quotations reflect  inter-dealer  prices in the
over-the-counter  market without real mark-up,  markdown or commissions  and may
not necessarily represent actual transactions.

     Quarter Ending          High/Low Bid       Low/Low Bid

     Fiscal Year 1996

     September 1995              $1.69              $0.56
     December 1995               $4.31              $0.56
     March 1996                  $8.00              $2.56
     June 1996                   $7.38              $2.50

     Fiscal Year 1997

     September 1996              $3.93              $2.25
     March 1997                  $4.00              $2.50
     December 1996               $4.50              $1.44
     June 1997                   $3.06              $2.44

     Fiscal Year 1998

     September 1997              $2.69              $1.44
     December 1997               $1.56              $0.60
     March 1998                  $1.23              $0.61
     June 1998                   $1.39              $0.40

     Fiscal Year 1999

     September 1998              $0.56              $0.21
     December 1998               $1.00              $0.35
     March 1999                  $0.59              $0.34
     June 1999                   $0.47              $0.28

     Fiscal Year 2000

     September 1999              $0.33              $0.11

On December 7, 1999,  the closing trade price of the common stock as reported on
the OTC  Bulletin  Board  was  $.31  per  share.  As of such  date,  there  were
approximately 745 holders of record of our common stock.

                                 Dividend Policy

To date, we have not declared or paid any dividends  with respect to our capital
stock,  and the  current  policy of our  board of  directors  is to  retain  any
earnings to provide for our growth. Consequently, no cash dividends are expected
to be paid on our common stock in the foreseeable future.

                            Selling Security Holders

The selling security holders consist of common stock holders, the Series B, G, H
and I  preferred  holders  and the  holder of the  convertible  debentures.  The
registration  statement  is a part of the  prospectus  being  filed.  The shares
offered in this prospectus are based on the various  registration  rights in the
subscription  agreement and registration  rights agreements  between the selling
security  holders and us. We are unable to determine  the exact number of shares
that will actually be sold according to this prospectus due to:

o   the ability of the selling  security  holders to determine  when and whether
    they will sell any shares under this  prospectus; and
o   the  uncertainty  as to how many of the warrants  will be exercised and how
    many  shares  of  common  stock  will  be  issued  upon  conversion  of the
    convertible debenture and the Series B, G, H and I preferred stock.

The  number of fully  paid and  non-assessable  shares of common  stock,  no par
value, to be issued upon conversion of the convertible  debenture and the Series
B, G, H and I preferred  stock will be  determined  by  dividing  (i) the sum of
$10,000 by (ii) the conversion  price in effect at the time of  conversion.  The
conversion prices are as follows:

     (i)   Series B, 82% of the five-day average closing price;
     (ii)  Series G, the lesser of $.54 and 75% of the lowest 2 bids in a
           ten-day period;
     (iii) Series H, the lesser of $.53 and 75% of the lowest closing bid in
           a ten-day period;
     (iv)  Series I, 75% of the five-day average closing price; and
     (v)   the debenture, 75% of the five-day average closing price.

Since  the  conversion  price of each of the  preferred  shares  is based on the
market price of our common stock prior to the date of conversion,  the number of
shares subject to  registration  rights will increase if the market price of our
common stock  decreases,  and also will decrease if the market price  increases.
See "Sale of Unregistered Securities-Financing/Equity Line of Credit.

The  following  table   identifies  each  selling  security  holder  based  upon
information  provided  to us as of July 27,  1999,  with  respect  to the shares
beneficially  held by or acquirable by, each selling  security  holder,  and the
shares of common stock  beneficially owned by the selling security holders which
are  not  covered  by  this  prospectus.  No  selling  security  holder  or  its
affiliates,  except for Deborah O'Brien have held any position, office, or other
material relationship with us. Ms. O'Brien is one of our employees and the niece
of Linda Grable. Ms. O'Brien's shares were issued as partial  compensation for a
$115,000 loan to us.



                            Selling Security Holders' Table
<TABLE>
<CAPTION>


NAME OF INVESTOR              COMMON SHARES   PREFERRED       COMMON SHARES    COMMON SHARES UNDERLYING   TOTAL NUMBER
                              SHARES OWNED    SHARES          UNDERLYING       WARRANTS                   OF SHARES TO
                              PRIOR TO        OWNED           PREFERRED                                   BE REGISTERED (2)
                              OFFERING                        /DEBENTURE (1)
<S>                                <C>         <C>               <C>                 <C>                       <C>
Balmore Funds SA
C/O Trident Trust Company       422,601        H-30             1,340,303         50,000                   1,600,783
(BVI) Limited
Trident Chambers
Road Town
Tortola British Virgin
Islands (3)
Austost Anstalt Schaan
Ladstrasse 163                  422,601        H-30             1,340,303         50,000                   1,600,783
9494 Furstentums
Vaduz, Liechtenstein (4)
Amro International, S.A.
c/o Ultra Finanz                    0          G-15               711,238         28,125                     739,363
Grossmunsterplatz 6
Zurich CH 8022,
Switzerland (5)
Nesher Inc.
Ragnalt Houise                      0          G-8                379,327         15,000                     394,327
18 Pell Road
Douglas, Isle of Man
IM14U2, United Kingdom (6)
Hewlett Fund
20 Adele Road                       0          G-5                237,079          9,375                     246,454
Brooklyn, New York (7)
Guaranty & Finance Ltd.
Vallarino PH                        0          G-7                331,911         13,125                     345,036
Calle 52, Panama (8)
Libra Finance SA
Trident Chambers                    0          G-2                 94,832            0                        94,832
PO Box 146, Road Town
Tortola, British Virgin
Islands (9)
Dominion Capital Fund C/o
Thomas Kernaghan & Co. Ltd.     1,334,996       0                     0              0                     1,334,996
365 Bay Street
Toronto, Ontario (10)
Canadian Advantage Ltd.
Partnership                       636,379       0                     0              0                       636,379
C/o Thomas Kernaghan & Co.
Ltd.
365 Bay Street
Toronto, Ontario (11)
Scott Hugh Goldstein
C/o 65 Boradwat 10th Floor         25,000       0                     0              0                        25,000
New York, NY 10006
Sheldon E. Goldstein
C/o 65 Boradwat 10th Floor         25,000       0                     0              0                        25,000
New York, NY 10006
Deborah O'Brien
C/o 6531 NW 18th Court            287,800       0                     0              0                       286,000
Plantation, FL 33313
GCA Strategic Investment
Fund Ltd (12)                     210,000       0                     0              0                       210,000
106 Colony Park Drive
Suite 900
Cumming, GA 30040
Avalon Capital, Inc.
487 Sherwood Drive                 80,000       0                     0              0                        80,000
Salusaliton, CA 94965 (13)
Frank Giambroni
118 Park Ave.                     200,000       0                     0              0                       200,000
Bay Head, NJ 08742
Charlton Avenue, LLC
c/o Citco Trustees (Cayman)     1,931,123    Series B-390        16,016,427          0                    28,636,284
Limited                                      Series I-138         5,947,763          0
P.O. Box 31106 SMB                           Debenture            4,740,971
Grand Cayman
Cayman Island, British West
Indies (14)
Settondown Capital
International, Ltd                200,000      H-8                  357,414        25,000                    629,830
Charlotte House, Charlotte                     G-1                   47,416
Street
P.O. Box N 9204
Nassau, Bahamas (15)
</TABLE>


  (1)  Based on the number of shares  that would be required to be issued if the
       preferred  stock and  debenture  were  converted as follows:  Series B at
       $.2435, Series G at $.2109, Series H at $.22383,  Series I at $.23202 and
       the debenture at $.23202 per share.
  (2)  Where  applicable,  the amount being  registered is 100% of the number of
       common shares that would be required to be issued if the preferred  stock
       or  debenture  was  converted  on  the  day  before  the  filing  of  the
       registration  statement  plus common stock and the shares  underling  the
       warrants.
  (3)  Of the 422,601 common shares, only 210,480 are being registered. Francois
       Morax and Matityahu  Kaniel are the directors of and have voting  control
       over Balmore Funds S.A.
  (4)  Of the 422,601 shares,  only 210,480 are being  registered.  Thomas Hackl
       and Peter  Nakowitz  are the  directors  of and have voting  control over
       Austost Anstalt Schaan.
  (5)  H.U.  Bachofen  is the  director  of and has  voting  control  over  AMRO
       International,  S.A.
  (6)  David Grin and John Clark are the  directors  of and have voting control
       over Nesher,  Inc.
  (7)  Jennifer  Spinner is the director of and has voting  control over Hewlett
       Fund.
  (8)  Dr. Durling is the director of and has voting  control over Guaranty &
       Finance Ltd.
  (9)  Seymour Braun is the director of and has voting control over Libra
       Finance SA.
 (10)  Livingston Asset Management Ltd. has voting control over Dominion
       Capital Fund.  David Sims has voting control over Livingstone.
 (11)  VHM Management Ltd. holds the voting shares of Canadian Advantage Ltd.
       Ian McKinnon and Mark Valentine have voting control over VMH.
 (12)  Prime Management LTD. has voting control of GCA Strategic Investment Fund
       LTD.  John Kelly is the sole shareholder of and has voting control over
       Prime Management LTD.
 (13)  Wayne Coleson is the sole shareholder of and has voting control over
       Avalon Capital, Inc.
 (14)  Minglewood  Capital LLC holds the voting  shares of Charlton  Avenue LLC.
       CTC Corporation LTD is the director of Minglewood. Michael Francombe is a
       director of and has voting control over CTC Corporation LTD.
 (15)  Anthony L.M. Inder Riden is the director of and has voting control over
       Settondown Capital International, Ltd.

                                 Use Of Proceeds

         The selling  security  holders are selling all of the shares covered by
this  prospectus  for their own accounts.  Accordingly,  we will not receive any
proceeds  from the  resale of the  shares.  We will  receive  proceeds  from the
exercise  of the  warrants,  but,  to  date,  none  of the  warrants  have  been
exercised.  However,  if all  the  warrants  of  which  we are  registering  the
underlying  shares on this  prospectus were exercised as of December 7, 1999, we
would receive  approximately  $182,812.50 in proceeds. We would use any of these
net proceeds  from the sale of these  warrants for general  corporate  purposes,
including  working  capital.   We  will  bear  all  expenses  relating  to  this
registration.

                              Plan Of Distribution

         The shares may be sold or distributed  from time to time by the selling
security  holders or by pledgees,  donees or  transferees  of, or  successors in
interest to, the selling  security  holders,  directly to one or more purchasers
(including  pledgees) or through  brokers,  dealers or underwriters  who may act
solely  as  agents  or may  acquire  shares  as  principals,  at  market  prices
prevailing  at the time of sale,  at prices  related to such  prevailing  market
prices,  at  negotiated  prices or at fixed  prices,  which may be changed.  The
distribution  of the  shares  may be  effected  in one or more of the  following
methods:

o  ordinary brokers transactions, which may include long or short sales,

o  transactions involving cross or block trades or otherwise on the OTC
   Bulletin Board,

o  purchases by brokers,  dealers or underwriters  as principal and resale by
   such purchasers for their own accounts  pursuant to this prospectus,

o  "at the market" to or through market makers or into an existing market
    for the common stock,

o  in other ways not involving  market makers or established trading markets,
   including  direct sales to purchasers or sales  effected through agents,

o  through transactions in options, swaps or other derivatives (whether exchange
   listed or otherwise), or

o  any combination of the foregoing, or by any other legally available means.

In addition,  the selling security  holders may enter into hedging  transactions
with  broker-dealers  who may  engage in short  sales of shares in the course of
hedging the positions they assume with the selling security holders. The selling
security  holders  may  also  enter  into  option  or  other  transactions  with
broker-dealers  that require the delivery by such  broker-dealers of the shares,
which shares may be resold thereafter pursuant to this prospectus.

Brokers,  dealers,  underwriters or agents  participating in the distribution of
the shares may receive  compensation  in the form of discounts,  concessions  or
commissions  from the selling  security  holders and/or the purchasers of shares
for  whom  such  broker-dealers  may act as  agent  or to whom  they may sell as
principal,  or both (which compensation as to a particular  broker-dealer may be
in excess of  customary  commissions).  The  selling  security  holders  and any
broker-dealers acting in connection with the sale of the shares hereunder may be
deemed to be underwriters  within the meaning of Section 2(11) of the Securities
Act of 1933,  and any  commissions  received by them and any profit  realized by
them  on  the  resale  of  shares  as  principals  may  be  deemed  underwriting
compensation  under the Securities  Act of 1933, as amended.  Neither we nor the
selling security holders can presently estimate the amount of such compensation.
We know of no existing arrangements between the selling security holders and any
other security  holders,  broker,  dealer,  underwriter or agent relating to the
sale or distribution of the shares.

We will not receive any proceeds from the sale of the common shares  pursuant to
this prospectus.  We have agreed to bear the expenses of the registration of the
shares,  including legal and accounting fees, and such expenses are estimated to
be $25,873.70.

We have informed the selling stockholders that certain  anti-manipulative  rules
contained in Regulation M under the Securities Exchange Act of 1934, as amended,
may apply to their sales in the and have  informed them of the need for delivery
of copies of this prospectus.

The selling  security holders may also use Rule 144 under the Securities Act, to
sell the shares if they meet the  criteria  and conform to the  requirements  of
such rule.

                            Description Of Securities

Our authorized  capital stock consists of 102,000,000 shares of capital stock of
which  100,000,000  shares are common stock, no par value,  and 2,000,000 shares
are preferred stock, no par value. As of December 7, 1999, there were issued and
outstanding   79,258,357  shares  of  common  stock,  247  shares  of  Series  B
convertible preferred stock, 3 shares of Series G convertible preferred stock, 8
shares  of  Series  H  convertible  preferred  stock,  138  shares  of  Series I
convertible  preferred  stock,  options to purchase  4,317,171  shares of common
stock and  warrants to purchase  573,750  shares of common  stock.  In addition,
Charlton has subscribed for $2,750,000 in convertible debentures,  $2,601,500 of
which  have been  issued to date,  and  Spinneret  has a  convertible  debenture
convertible into $51,000 of shares of our common stock.

Common Stock

Holders of the common  stock are entitled to one vote for each share held in the
election of directors and in all other  matters to be voted on by  shareholders.
There is no cumulative  voting in the election of  directors.  Holders of common
stock are entitled to receive  dividends as may be declared from time to time by
our  board  of  directors  out of  funds  legally  available.  In the  event  of
liquidation,  dissolution or winding up, holders of common stock are to share in
all assets  remaining  after the payment of  liabilities.  The holders of common
stock have no  preemptive  or  conversion  rights and are not subject to further
calls or  assessments.  There  are no  redemption  or  sinking  fund  provisions
applicable  to the common  stock.  The rights of the holders of the common stock
are subject to any rights that may be fixed for holders of preferred  stock. All
of the outstanding shares of common stock are fully paid and non-assessable.

Preferred Stock

Our articles of  incorporation  authorize  the issuance of preferred  stock with
designations,  rights, and preferences as may be determined from time to time by
the board of directors. The board of directors is empowered, without stockholder
approval,  to designate  and issue  additional  series of  preferred  stock with
dividend,  liquidation,  conversion, voting or other rights, including the right
to issue convertible  securities with no limitations on conversion,  which could
adversely  affect the voting  power or other rights of the holders of our common
stock,  substantially  dilute a common  shareholder's  interest  and depress the
price of our common stock.

            Disclosure Of Commission Position On Indemnification For

                           Securities Act Liabilities

         Section  607.0850  of  the  Florida  General   Corporation  Act  allows
companies to indemnify  their  directors,  officers and agent against  expenses,
judgments,  fines and  amounts  paid in  settlement  under that  conditions  and
limitations described in that law.

              Article VII of our  Articles  of  Incorporation  authorizes  us to
              indemnify our directors and officers in the following manner:

o    To the extent  permitted by law,  none of our directors or officers will be
     personally  liable to us or our  shareholders for damages for breach of any
     duty  owed  by  the  directors  and  officers  to us or  our  shareholders;
     provided,  that, to the extent  required by law, the directors and officers
     will not be relieved  from  liability  for any breach of duty based upon an
     act or omission (i) in breach of such person's duty of loyalty to us or our
     shareholders,  (ii) not in good faith or  involving a knowing  violation of
     law or (iii)  resulting  in  receipt  by a  director  or an  officer  of an
     improper personal benefit. No amendment to or repeal of this Article and no
     amendment,  repeal or termination of  effectiveness  of any law authorizing
     this Article shall apply to or effect  adversely any right or protection of
     any of our  directors  or  officers  for or  with  respect  to any  acts or
     omissions of the directors or officers occurring prior to amendment, repeal
     or termination of effectiveness.

o    To the extent that any of our directors, officers or other corporate agents
     have been  successful on the merits or otherwise in defense of any civil or
     criminal  action,  suit, or proceeding  referred to above, or in defense of
     any claim,  issue,  or matter therein,  any director,  officer or corporate
     agent will be indemnified against any expenses (including  attorneys' fees)
     actually  and  reasonably  incurred by the  director,  officer or corporate
     agent in connection therewith.

o    Expenses  incurred  by a director,  officer,  or other  corporate  agent in
     connection with a civil or criminal action, suit, or proceeding may be paid
     by the Company in advance of the final  disposition  of the action suit, or
     proceeding  as  authorized  by our board of  directors  upon  receipt of an
     undertaking  by or on behalf of the corporate  agent to repay the amount if
     it shall  ultimately be determined that the director,  officer or corporate
     agent is not entitled to be  indemnified.  The officers and directors  have
     indemnification  agreements  and are  covered  by  Directors  and  Officers
     Liability Insurance in the amount of $1 million dollars aggregate limit of
     Liability for the policy year.

Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to our directors, officers and controlling persons
pursuant to these provisions,  or otherwise,  we have been advised that, in
the  opinion of the SEC,  this type of  indemnification  is against  public
policy as expressed in the Securities Act and is, therefore,  unenforceable.

                                    Experts

Our audited financial statements incorporated by reference have been examined by
Margolies,  Fink and Wichrowski,  independent certified public accountants,  for
the periods and extent in their respective  report and are used in reliance upon
their authority as experts in accounting and auditing.

                                 Legal Opinions

For the purpose of this offering,  Christopher S. Auguste,  Esq.,  Parker Chapin
Flattau  &  Klimpl,  LLP,  our  counsel  in  regard  to  this  amendment  to the
registration statement, will pass upon the validity of the issuance of shares.

                              Financial Information

The  following  financial  statements  should  be read in  conjunction  with the
financial statement  information contained in and incorporated by reference from
our most  recent  report  on Form  10-KSB,  which is being  furnished  with this
prospectus.


<PAGE>






<PAGE>

<TABLE>
<CAPTION>
<S>                                                                                                <C>

This  prospectus is part of a registration  statement we filed with the SEC. You
should rely on the information or  representations  provided in this prospectus.
We have authorized no one to provide you with different information. The selling
security  holders  described in this  prospectus  are not making an offer in any              37,085,067  SHARES
jurisdiction  where the offer is not  permitted.  You should not assume that the
information in this prospectus is accurate as of any date other than the date of
this prospectus.                                                                              IMAGING DIAGNOSTIC
                                                                                                 SYSTEMS, INC.

                   ________________                                                              COMMON STOCK

                   TABLE OF CONTENTS
                   ________________
                                                      Page
Where You Can Find More Information ....................3
Incorporation of Certain Documents By Reference ........3
Forward-Looking Statements .............................3
Prospectus Summary .....................................4
The Offering............................................7
Risk Factors ...........................................8
Information With Respect to the Registrant.............21
Management Discussion and Analysis
 of Financial Condition and Results of Operation ......21
Material Changes ......................................22
Summary of Compensation Table .........................22                                          ____________
Option/SAR Grants in Last Fiscal Year .................22
Security Ownership of Certain Beneficial                                                            PROSPECTUS
 Owners and Management ................................23                                          ____________
Certain Relationships and Related Transactions ........24
Sales of Unregistered Securities ......................25
Price Range of Common Stock ...........................34
Dividend Policy .......................................35
Selling Security Holders ..............................35
Use of Proceeds .......................................38
Plan of Distribution ..................................38
Description of Securities .............................39
Disclosure of Commission Position on
 Indemnification for Securities Act Liabilities .......40
Experts ...............................................40
Legal Opinions ........................................40
Financial Information .................................41

                                                                                           IMAGING DIAGNOSTIC SYSTEMS, INC.
                                                                                                  6531 NW 18TH COURT
                                                                                                 PLANTATION, FL 33313
                                                                                                    (954) 581-9800



                                                                                                   DECEMBER __, 1999

</TABLE>
<PAGE>

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

The following table shows the estimated expenses in connection with the issuance
and distribution of the securities being registered:

         SEC registration fees ........................$  4,283.70
         Legal fees and expenses.......................$ 10,000.00
         Accounting fees and expenses..................$  3,000.00
         Miscellaneous.................................$    100.00
         Edgar formatting fees.........................$  8,490.00
                                                       -----------
         TOTAL                                         $ 25,873.37


ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

The Florida General Corporation Act permits a Florida corporation to indemnify a
present or former  director or officer of the  corporation  (and  certain  other
persons  serving at the request of the  corporation in related  capacities)  for
liabilities,  including  legal  expenses,  arising  by reason of service in such
capacity  if such  person  shall  have  acted in good  faith  and in a manner he
reasonably  believed  to be in or not  opposed  to  the  best  interests  of the
corporation,  and in any criminal  proceeding  if such person had no  reasonable
cause to believe  his  conduct  was  unlawful.  However,  in the case of actions
brought by or in the right of the corporation,  no  indemnification  may be made
with respect to any matter as to which such  director or officer shall have been
adjudged liable, except in certain limited circumstances.

Article  VII  of  our  Articles  of  Incorporation  authorizes  us to  indemnify
directors and officers as follows:

         1. So long as permitted by law, no director of the corporation shall be
         personally  liable to the corporation or its  shareholders  for damages
         for breach of any duty owed by such  person to the  corporation  or its
         shareholders;  provided,  however,  that,  to the  extent  required  by
         applicable  law,  this  Article  shall  not  relieve  any  person  from
         liability  for any breach of duty based upon an act or omission  (i) in
         breach of such  person's  duty of  loyalty  to the  corporation  or its
         shareholders,  (ii) not in good faith or involving a knowing  violation
         of law or (iii)  resulting  in  receipt by such  person of an  improper
         personal  benefit.  No  amendment  to or repeal of this  Article and no
         amendment,   repeal  or  termination  of   effectiveness   of  any  law
         authorizing  this Article shall apply to or effect  adversely any right
         or  protection  of any  director  for or with  respect  to any  acts or
         omissions of such director occurring prior to such amendment, repeal or
         termination of effectiveness.

         2. So long as permitted by law, no officer of the corporation  shall be
         personally  liable to the corporation or its  shareholders  for damages
         for breach of any duty owed by such  person to the  corporation  or its
         shareholders;  provided,  however,  that,  to the  extent  required  by
         applicable  law,  this  Article  shall  not  relieve  any  person  from
         liability  for any breach of duty based upon an act or omission  (i) in
         breach of such  person's  duty of  loyalty  to the  corporation  or its
         shareholders,  (ii) not in good faith or involving a knowing  violation
         of law or (iii)  resulting  in  receipt by such  person of an  improper
         personal  benefit.  No  amendment  to or repeal of this  Article and no
         amendment,   repeal  or  termination  of   effectiveness   of  any  law
         authorizing  this Article shall apply to or effect  adversely any right
         or  protection  of any  director  for or with  respect  to any  acts or
         omissions of such officer occurring prior to such amendment,  repeal or
         termination of effectiveness.

         3. To the extent that a Director,  Officer, or other corporate agent of
         this  corporation  has been  successful  on the merits or  otherwise in
         defense of any civil or criminal action,  suit, or proceeding  referred
         to in sections (a) and (b), above,  or in defense of any claim,  issue,
         or  matter  therein,  he  shall be  indemnified  against  any  expenses
         (including  attorneys' fees) actually and reasonably incurred by him in
         connection therewith.

         4. Expenses incurred by a Director,  Officer,  or other corporate agent
         in connection with a civil or criminal action,  suit, or proceeding may
         be paid by the corporation in advance of the final  disposition of such
         action suit, or proceeding as authorized by the Board of Directors upon
         receipt of an  undertaking  by or on behalf of the  corporate  agent to
         repay such amount if it shall  ultimately be determined  that he is not
         entitled to be indemnified.

INDEMNIFICATION  FOR  LIABILITIES  UNDER  THE  SECURITIES  ACT  OF  1933  MAY BE
PERMITTED  TO  DIRECTORS,  OFFICERS OR PERSONS  CONTROLLING  US ACCORDING TO THE
PROVISIONS IN OUR ARTICLES OF  INCORPORATION,  WE HAVE BEEN INFORMED THAT IN THE
OPINION OF THE SEC, THIS  INDEMNIFICATION  IS AGAINST PUBLIC POLICY AS EXPRESSED
IN THE ACT AND IS THEREFORE UNENFORCEABLE

ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

(a)  Exhibits

EXHIBIT                           DESCRIPTION

3.1   Articles of Incorporation (Florida)- Incorporated by reference to Exhibit
      3(a) of  IDSI's Form 10-KSB for the fiscal year ending June 30, 1995
3.2   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  A
      Convertible Preferred Shares) - Incorporated by reference to Exhibit 3.
      (i). 6 of IDSI's Form 10-KSB for the fiscal year ending June 30,  1996.
      File number 033-04008.
3.3   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  B
      Convertible  Preferred  Shares).  Incorporated  by  reference to IDSI's
      Registration Statement on Form S-1 dated July 1, 1997.
3.4   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  C
      Convertible Preferred Shares). Incorporated by reference to IDSI's Form
      8-K dated October 15, 1997.
3.5   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  D
      Convertible Preferred Shares). Incorporated by reference to IDSI's Form
      8-K dated January 12, 1998.
3.6   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  E
      Convertible Preferred Shares). Incorporated by reference to IDSI's Form
      8-K dated February 19,1998.
3.7   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  F
      Convertible Preferred Shares). Incorporated by reference to IDSI's Form
      8-K dated March 6, 1998.
3.8   Amendment  to  Articles  of  Incorporation  (Designation  of  Series  H
      Convertible  Preferred  Shares).  Incorporated  by  reference to IDSI's
      Registration Statement on Form S-2 File Number 333-59539.
3.9   Certificate of Dissolution - is incorporated by reference to Exhibit
      (3)(a) of IDSI's Form 10-KSB for the fiscal year ending June 30, 1995.
3.10  Articles of Incorporation and By- Laws (New Jersey) -are incorporated by
      reference to Exhibit 3 (i) of IDSI's Form 10-SB, as amended, file number
      0-26028, filed on May 6, 1995 ("Form 10-SB").
3.11  Certificate  and Plan of Merger - is  incorporated by reference to Exhibit
      3(i) of the Form 10-SB.
3.12  Certificate of Amendment - is incorporated  by reference to Exhibit 3(i)
      of the Form 10-SB.
3.13  Amended Certificate of Amendment-Series G Designation.
3.14  Certificate of Amendment-Series I Designation
3.15  Amended Certificate of Amendment-Series B Designation
4.1   Instruments Defining the Rights of Security Holders - Designation of
      Series B Convertible Preferred Shares.  (See Exhibit 3.3, above).
4.2   Instruments Defining the Rights of Security Holders - Designation of
      Series C Convertible Preferred Shares.  (See Exhibit 3.4, above).
4.3   Instruments Defining the Rights of Security Holders - Designation of
      Series D Convertible Preferred Shares.  (See Exhibit 3.5, above).
4.4   Instruments Defining the Rights of Security Holders - Designation of
      Series E Convertible Preferred Shares.  (See Exhibit 3.6, above).
4.5   Instruments Defining the Rights of Security Holders - Designation of
      Series F Convertible Preferred Shares.  (See Exhibit 3.7, above).
<PAGE>

EXHIBIT (cont.)                 DESCRIPTION (cont.)

4.6   Instruments Defining the Rights of Security Holders - Designation of
      Series H Convertible Preferred Shares.  (See Exhibit 3.8, above).
4.7   Instruments Defining the Rights of Security Holders - Amended Designation
      of Series G Convertible Preferred Shares.  (See Exhibit 3.13, above).
4.8   Instruments Defining the Rights of Security Holders - Designation of
      Series I Convertible Preferred Shares.  (See Exhibit 3.14, above).
4.9   Instruments Defining the Rights of Security Holders - Amended Designation
      of Series B Convertible Preferred Shares.  (See Exhibit 3.15, above).
4.10  Convertible Debenture
5     Legal  opinion of Rebecca J. Del  Medico,  Esq.,  dated July 26,  1999.
      Incorporated by reference to IDSI's Registration Statement on Form S-2,
      File Number 333-59539.
10.1  Form of Subscription Agreement by and between Imaging Diagnostic Systems,
      Inc. and Alfred Ricciardi.  Incorporated by reference to IDSI's
      Registration Statement on Form S-2, File Number 333-59539.
10.2  Patent Licensing Agreement.  Incorporated by reference to the IDSI's
      Registration Statement on Form S-2, File Number 333-59539.
10.3  Incentive Stock Option Plan - is incorporated by reference to Exhibit
      10(b) of the Form 10-SB.
10.4  Employment Agreement(s) for Richard J. Grable, Allan L. Schwartz and
      Linda B. Grable are incorporated by reference to Exhibit 10(c) of the
      Form 10-SB.
10.5  Lock Up Agreement  By and Between IDSI and Richard J. Grable,  Linda B.
      Grable, and Allan L. Schwartz,  is incorporated by reference to Exhibit
      10.5 of IDSI's Form  10-KSB for the fiscal  year ending June 30,  1996.
      File number 033-04008.
10.6  Form of Series F Preferred Stock Subscription  Documents.  Incorporated
      by reference to IDSI's Registration  Statement on Form S-2, File Number
      333-60405.
10.7  Form of Series H Preferred Stock Subscription  Documents.  Incorporated
      by reference to IDSI's Registration  Statement on Form S-2, File Number
      333-60405.
10.8  OEM  Agreement  incorporated  by reference  to Exhibit 10.8 of IDSI's Form
      10-KSB for the fiscal  year ending  June 30,  1998.
10.9  Form of Equity Line of Credit Agreement incorporated by reference to
      Exhibit 10.9 of IDSI's Form 10-KSB for the fiscal year ending
      June 30, 1998.
10.10 Focus Distribution Agreement (United Kingdom and Ireland).  Incorporated
       by reference to IDSI's Form 10-QSB/A filed on April 2, 1999.
10.11 Focus Distribution Agreement (Benelux countries).  Incorporated by
      reference to IDSI's Amendment number 1 to Registration on Form S-2, File
      Number 333-60405.
10.12 Syncor Distribution Agreement.  Incorporated by reference to IDSI's
      Amendment number 1 to Registration on Form S-2, File Number 333-60405.
10.14 Consultronix S.A. Distribution Agreement.  Incorporated by reference to
      IDSI's Form 10-KSB/A filed on April 9, 1999.
10.15 Iberadac, S.A. Distribution Agreement.  Incorporated by reference to
      IDSI's Form 10-KSB/A filed on April 9, 1999.
10.16 Form of Series I Preferred Stock Subscription Documents. Incorporated by
      reference to IDSI's Amendment number 1 to Registration on Form S-2, File
      Number 333-60405.
10.17 Form of Debenture Subscription Documents. Incorporated by reference to
      IDSI's Amendment number 1 to Registration on Form
      S-2, File Number 333-60405.
10.18 Form of Mortgage.  Incorporated by reference to IDSI's  Amendment number 1
      to  Registration  on Form S-2,  File  Number  333-60405.  10.19 Form of
      Series G Subscription  Documents.  Incorporated by reference to IDSI's
      Amendment number 1 to Registration on Form S-2, File Number 333-60405.
10.20 Form of Registration Rights Agreement. Incorporated by reference to IDSI's
      Amendment number 1 to Registration on Form S-2,
      File Number 333-60405.
10.21 Form of Debenture in the amount of $825,000. Incorporated by reference to
      our Form 10-KSB for the fiscal year ending June 30, 1999 filed on October
      12, 1999.
10.22 Registration  Rights  Agreement  $825,000  Convertible  Debenture.
      Incorporated by reference to our Form 10-KSB for the fiscal year ending
      June 30, 1999 filed on October 12, 1999.
10.23 Subscription  Agreement $825,000 Convertible  Debenture. . Incorporated
      by  reference  to our Form  10-KSB for the fiscal  year ending June 30,
      1999 filed on October 12, 1999.
10.24 1999 Equity Incentive Plan. Incorporated by reference to our Form 10-KSB
      for the fiscal year ending June 30, 1999 filed on
      October 12, 1999.
24.2  Consent of Independent Certified Public Accountants.

(b) Reports on Form 8-K

         None.

ITEM 17.  UNDERTAKINGS.

         The undersigned registrant hereby undertakes:

         (1) To file, during any period in which offers or sales are being made,
             a post-effective amendment to this registration statement:

               (i)  To include any prospectus required by Section 10(a)(3) of
                    the Securities Act;

               (ii) To reflect  in the  prospectus  any facts or events  arising
                    after the effective date of the  registration  statement (or
                    the most recent  post-effective  amendment  thereof)  which,
                    individually  or in the  aggregate,  represent a fundamental
                    change  in the  information  set  forth in the  registration
                    statement.  Notwithstanding  the foregoing,  any increase or
                    decrease in the volume of  securities  offered (if the total
                    dollar  value of  securities  offered  would not exceed that
                    which was registered) and any deviation from the low or high
                    and of the estimated maximum offering range may be reflected
                    in the form of prospectus filed with the Commission pursuant
                    to Rule 424 (b) if, in the  aggregate  the changes in volume
                    and price  represent  no more than 20 percent  change in the
                    maximum   aggregate   offering   price   set  forth  in  the
                    "Calculation  of  Registration  Fee" table in the  effective
                    registration statement.

              (iii) To include any material  information  with respect to the
                    plan of distribution  not  previously  disclosed  in  the
                    registration statement  or any  material  change  to such
                    information  in the registration statement.

         (2) That,  for the  purpose  of  determining  any  liability  under the
Securities Act, each such  post-effective  amendment shall be deemed to be a new
registration  statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof; and

         (3) To remove from registration by means of a post-effective  amendment
any of the securities being registered which remain unsold at the termination of
the offering.

         Insofar as indemnification for liabilities arising under the Securities
Act of 1933 (the "Act") may be permitted to directors,  officers and controlling
persons of the registrant  pursuant to the foregoing  provisions,  or otherwise,
the  registrant  has been  advised  that in the  opinion of the  Securities  and
Exchange  Commission such  indemnification is against public policy as expressed
in the Act and is,  therefore,  unenforceable.  In the  event  that a claim  for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
registrant of expenses incurred or paid by a director,  officer,  or controlling
person of the  registrant  in the  successful  defense  of any  action,  suit or
proceeding)  is  asserted by such  director,  officer of  controlling  person in
connection with the securities being registered,  the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act and will be governed by the final adjudication of such issue.

         The  undersigned  registrant  hereby  undertakes  that, for purposes of
determining  any liability  under the Securities Act of 1933, each filing of the
registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  section  15(d)  of  the
Securities  Exchange  Act of 1934)  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bonafide offering thereof.


<PAGE>



                                   SIGNATURES

According to the  requirements  of the Securities  Act of 1933, as amended,  the
Registrant certifies that it has reasonable grounds to believe that it meets the
requirement for filing on Form S-2 and has duly caused this Amended Registration
Statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the  City of  Plantation,  State of  Florida,  on the 8th day of
December 1999.

                        IMAGING DIAGNOSTIC SYSTEMS, INC.

                                     By: /s/ Linda B. Grable
                                         -------------------
                                         Linda B. Grable, Chairman of the Board,
                                         Director, and President.

According to the  requirements  of the Securities Act of 1933, as amended,  this
Amended  Registration  Statement has been signed by the following persons in the
capacities and on the dates indicated.

Dated: December 8, 1999              By:  /s/ Linda B. Grable
                                          -------------------
                                          Linda B. Grable, Chairman of the Board
                                          Director and President

Dated: December 8, 1999              By:  /s/ Richard J. Grable
                                          ---------------------
                                          Richard J. Grable, Director
                                          and Chief Executive Officer

Dated: December 8, 1999             By:  /s/ Allan L. Schwartz
                                         ---------------------
                                         Allan L. Schwartz, Director
                                         and Executive Vice-President
                                         Chief Financial Officer
                                         (PRINCIPAL ACCOUNTING OFFICER)

<PAGE>

                                  EXHIBIT 24.2

               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

We  hereby  consent  to the use in this  Post-Effective  Amendment  No. 2 to the
Registration  Statement  on Form S-2,  of our  report  dated  August  31,  1999,
relating to the financial  statements of the Imaging Diagnostic  Systems,  Inc.,
and to the reference to our firm under the caption "Experts" in the prospectus.

                                 /s/ Margolies, Fink and Wichrowski
                                 ----------------------------------
                                 Margolies, Fink and Wichrowski

Pompano Beach, Florida
December 8, 1999


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