XYBERNAUT CORP
S-3/A, 1998-05-21
COMPUTER COMMUNICATIONS EQUIPMENT
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      As filed with the Securities and Exchange Commission on May 21, 1998

                                                      Registration No. 333-52567
- --------------------------------------------------------------------------------


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                           ---------------------------


                                    FORM S-3

                                 AMENDMENT NO. 1
                                       TO
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                           ---------------------------


                              XYBERNAUT CORPORATION
                              ---------------------
             (Exact name of registrant as specified in its charter)

         Delaware                                                 54-1799851
- ------------------------------                               -------------------
(State or other jurisdiction of                               (I.R.S. Employer
Incorporation or organization)                               Identification No.)

                             12701 Fair Lakes Circle
                             Fairfax, Virginia 22033
                                 (703) 631-6925
  ----------------------------------------------------------------------------
                        (Address, including zip code, and
                    telephone number, Including area code, of
                    registrant's principal executive offices)

                                Edward G. Newman
                             12701 Fair Lakes Circle
                             Fairfax, Virginia 22033
                                 (703) 631-6925
  ----------------------------------------------------------------------------
            (Name, address, including zip code, and telephone number,
                   Including area code, of agent for service)

                                    Copy to:

                           Martin Eric Weisberg, Esq.
                       Parker Chapin Flattau & Klimpl, LLP
                           1211 Avenue of the Americas
                            New York, New York 10036
                                 (212) 704-6000

                           ---------------------------


            Approximate date of commencement of proposed sale to public: As soon
as practicable after the effective date of this Registration Statement.

            If the only  securities on this Form are being  offered  pursuant to
dividend or interest reinvestment plans, please check the following box. |_|

            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 this  Form is  filed to  register  additional  securities  for an
offering  pursuant to Rule 462(b)  under the  Securities  Act,  please check the
following box and list the Securities Act  registration  statement number of the
earlier effective registration statement for the same offering. |_| __________

            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   statement  number  of  the  earlier  effective  registration
statement for the same offering. |_| __________

            If delivery  of the  prospectus  is expected to be made  pursuant to
Rule 434, please check the following box. |_|



<PAGE>


<TABLE>
<CAPTION>
                         CALCULATION OF REGISTRATION FEE

=================================================================================================
                                                  Proposed           Proposed
Title of each                                      Maximum            maximum         Amount of
class of securities           Amount to        Aggregate price       Aggregate      registration
to be registered            be registered         Per share       offering price         fee
- -------------------------------------------------------------------------------------------------
<S>                        <C>         <C>      <C>                <C>              <C>         
Common Stock, $.01 par 
value per share            2,340,938(2)(3)      $3.20313(1)        $7,498,329       $2,212.01(4)
=================================================================================================
</TABLE>

(1)   Estimated  solely for the  purpose of  calculating  the  registration  fee
      pursuant to Rule 457(c) and (g);  based on the average  ($3.20313)  of the
      bid ($3.18750) and asked ($3.21875) price on the Nasdaq SmallCap Market on
      May 6, 1998.

(2)   Represents  Common Stock issued in connection  with the April 1998 Private
      Placement,  shares  issuable  upon  exercise  of Warrant A and  Warrant B,
      shares  issued to the Placement  Agent in  connection  with the April 1998
      Private  Placement and shares issuable upon exercise of Put Options in the
      aggregate principal amount of $3,000,000. See "Description of Securities."

(3)   The  shares of Common  Stock  offered  hereby  include  the resale of such
      presently  indeterminate  number of  shares  of  Common  Stock as shall be
      issued  upon  exercise  by the  Company of Put  Options  in the  aggregate
      principal  amount of  $3,000,000.  The  number  of shares of Common  Stock
      indicated  to be  issuable  in  connection  with the  exercise of such Put
      Options  and  included  in the total  shares of Common  Stock  offered for
      resale hereby is an estimate and  represents  100% of the number of shares
      that would be issuable  upon the exercise of Put Options in the  aggregate
      principal amount of $3,000,000 at a price of $2.87 per share, which is 90%
      of  $3.18750,  the  closing  bid price of the Common  Stock as reported by
      NASDAQ on May 6, 1998.  Such number of shares is subject to adjustment and
      could be materially less than such estimated amount depending upon factors
      that cannot be  predicted  by the Company at this time,  including,  among
      others,  the future market price of the Common Stock. This presentation is
      not intended to  constitute a prediction  as to the future market price of
      the Common  Stock or as to the number of shares of Common  Stock  issuable
      upon  exercise  of  Put  Options  in the  aggregate  principal  amount  of
      $3,000,000.  See "Risk Factors -- Dilution; Impact of Sale of Common Stock
      Upon Conversion of Series A and Series B Preferred Stock, and the Exercise
      of the Put Options and Warrants";  and  "Description  of Securities -- The
      Put Option."

(4)   Fee paid with the original  filing of this  Registration  Statement  filed
      with the Commission on May 13, 1998.

THE REGISTRANT HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE OR DATES
AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT  SHALL 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 PURSUANT TO SECTION 8(A), MAY
DETERMINE.


                                       -2-

<PAGE>
================================================================================
Information   contained  herein  is  subject  to  completion  or  amendment.   A
registration  statement  relating  to these  securities  has been filed with the
Securities  and Exchange  Commission.  These  securities may not be sold nor may
offers to buy be accepted prior to the time the registration  statement  becomes
effective.  This  prospectus  shall  not  constitute  an  offer  to  sell or the
solicitation of an offer to buy nor shall there be any sale of these  securities
in any State in which such offer,  solicitation  or sale would be unlawful prior
to registration or qualification under the securities laws of any such State.
================================================================================

                    SUBJECT TO COMPLETION, DATED MAY___, 1998

PROSPECTUS
                        2,340,938 Shares of Common Stock
                           (par value $.01 per share)

                              XYBERNAUT CORPORATION

            This  Prospectus  pertains to the offer and sale, from time to time,
by or for the account of certain  stockholders  (the "Selling  Stockholders") of
Xybernaut Corporation (the "Company"),  of up to 2,340,938 shares (the "Shares")
of common stock, par value $.01 per share (the "Common Stock"),  of the Company.
See "Description of Securities."

            The Shares  offered  hereby may be sold by the Selling  Stockholders
directly or through  agents,  underwriters or dealers as designated from time to
time or through a combination of such methods.  The Company will not receive any
of the  proceeds  from any sale of Shares by or for the  account of the  Selling
Stockholders.  The Selling  Stockholders and any broker-dealers that participate
with the Selling Stockholders in the distribution of the Shares may be deemed to
be  underwriters  and any  commissions  received  or profit  realized by them in
connection  with the  resale of the  Shares  might be deemed to be  underwriting
discounts  and  commissions  under the  Securities  Act of 1933, as amended (the
"Securities  Act"). See "Selling  Stockholders" and "Plan of Distribution."  The
Company has agreed to bear all  expenses  relating to this  registration,  other
than underwriting discounts and commissions. In addition, the Company has agreed
to indemnify the Selling  Stockholders  against certain  liabilities,  including
liabilities  under the Securities Act. See "Selling  Stockholders"  and "Plan of
Distribution."

            The Common Stock is quoted on the NASDAQ  SmallCap  Market under the
symbol  "XYBR".  On May 6, 1998,  the closing  bid price of the Common  Stock as
reported by NASDAQ was $3.18750.

            The  Company's  executive  offices  are  located at 12701 Fair Lakes
Circle, Fairfax, Virginia 22033 and its telephone number is (703) 631-6925.

         THE SECURITIES OFFERED HEREBY INVOLVE A HIGH DEGREE OF RISK AND
              PROSPECTIVE PURCHASERS SHOULD CAREFULLY CONSIDER THE
               FACTORS SPECIFIED UNDER THE CAPTION "RISK FACTORS"
                      LOCATED ON PAGE 4 OF THIS PROSPECTUS.



  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
       EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
           SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
             COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
                      PROSPECTUS. ANY REPRESENTATION TO THE
                         CONTRARY IS A CRIMINAL OFFENSE.

                   THE DATE OF THIS PROSPECTUS IS ______, 1998



<PAGE>



                              AVAILABLE INFORMATION

           The  Company  is  subject to the  informational  requirements  of the
Securities  Exchange  Act of 1934,  as amended  (the  "Exchange  Act"),  and, in
accordance therewith, files reports, proxy statements and other information with
the Securities and Exchange Commission (the "Commission").  Such reports,  proxy
statements  and other  information  filed by the  Company can be  inspected  and
copied at the public  reference  facilities  maintained by the Commission at 450
Fifth Street,  N.W.,  Washington,  D.C.  20549,  and at the  following  Regional
Offices of the Commission: New York Regional Office, 7 World Trade Center, Suite
1300, New York, New York 10048; and Chicago  Regional  Office,  Citicorp Center,
500 West Madison Street,  Suite 1400,  Chicago,  Illinois 60661.  Copies of such
material may be obtained from the Public Reference  Section of the Commission at
450 Fifth  Street,  N.W.,  Washington,  D.C.  20549,  at prescribed  rates.  The
Commission  also  maintains an Internet site on the World Wide Web that contains
reports,   proxy  and  information   statements  and  other   information  filed
electronically  by  the  Company   (http://www.sec.gov).   Such  reports,  proxy
statements  and other  information  can also be  inspected at the offices of The
Nasdaq Stock Market, 1735 K Street, N.W., Washington, D.C. 20006.

           This Prospectus does not contain all the information set forth in the
Registration  Statement  on Form S-3 (File No. 333- _____) and  Amendment  No. 1
thereto  (collectively,  the "Registration  Statement") of which this Prospectus
forms a part, including exhibits relating thereto, which has been filed with the
Commission in  Washington,  D.C.  Copies of the  Registration  Statement and the
exhibits  thereto may be  obtained,  upon payment of the fee  prescribed  by the
Commission, or may be examined without charge, at the offices of the Commission.

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

           The  Company's  (i) Annual  Report on Form 10-KSB for the fiscal year
ended December 31, 1997; (ii) the Quarterly Report on Form 10-QSB for the period
ended March 31, 1998; (iii) the Report on Form 8-K dated June 30, 1997; (iv) the
Registration  Statement on Form S-3 (Commission  File No.  333-36077) filed with
the  Commission on September  22, 1997 and Amendment No. 1 to such  Registration
Statement  filed  with  the  Commission  on May 8,  1998;  (v) the  Registration
Statement on Form S-3 (Commission File No.  333-43696) filed with the Commission
on January 2, 1998 and Amendment No. 1 and Amendment No. 2 to such  Registration
Statement  filed  with the  Commission  on  January  22,  1998 and May 8,  1998,
respectively;  (vi) the  Registration  on Form S-3  (Commission  File No. 333- )
filed with the Commission on May 13, 1998 and Amendment No. 1 thereto filed with
the  Commission  on May 21, 1998;  and (viii) the  description  of the Company's
Common Stock contained in the Company's Registration Statement on Form 8-A filed
on July 15, 1996 under the Exchange Act (File No.  0-15086),  each as filed with
the Commission under the Exchange Act, are incorporated  into this Prospectus by
reference.

           Each  document  filed  subsequent  to the  date  of  this  Prospectus
pursuant to Section  13(a),  13(c),  14 or 15(d) of the  Exchange Act before the
termination of this offering shall be deemed to be  incorporated by reference in
this  Prospectus  and to be a part  hereof  from the date of the  filing of such
documents.  Any statement  contained in a document  incorporated or deemed to be
incorporated  herein by reference  shall be deemed to be modified or  superseded
for purposes of this Prospectus to the extent that a statement  contained herein
or in any  other  subsequently  filed  document  that also is or is deemed to be
incorporated by reference herein modifies or supersedes such previous statement.
Any statement so modified or superseded  shall not be deemed to be a part hereof
except as so modified or superseded.

           THE COMPANY WILL PROVIDE WITHOUT CHARGE TO EACH PERSON, INCLUDING ANY
BENEFICIAL  OWNER,  TO WHOM A COPY OF THIS  PROSPECTUS  IS  DELIVERED,  UPON THE
WRITTEN OR ORAL REQUEST OF ANY SUCH PERSON, A COPY OF ANY DOCUMENT  INCORPORATED
BY REFERENCE IN THIS  PROSPECTUS  (OTHER THAN EXHIBITS  UNLESS SUCH EXHIBITS ARE
SPECIFICALLY INCORPORATED BY REFERENCE IN SUCH


                                       -2-

<PAGE>



DOCUMENTS). REQUESTS SHOULD BE DIRECTED TO THE COMPANY, 12701 FAIR LAKES CIRCLE,
FAIRFAX, VIRGINIA 22033, (703) 631-6925. ATTENTION: JOHN F. MOYNAHAN.






                                       -3-

<PAGE>



                               PROSPECTUS SUMMARY

           The following  summary is qualified in its entirety by, and should be
read in conjunction with, the more detailed information and financial statements
and notes  thereto  appearing  elsewhere  or  incorporated  by reference in this
Prospectus.

           To inform  investors of the  Company's  future plans and  objectives,
this Prospectus (and other reports and statements  issued by the Company and its
officers from time to time) contain certain statements  concerning the Company's
future  results,   future  performance,   intentions,   objectives,   plans  and
expectations that are or may be deemed to be  "forward-looking  statements." The
Company's  ability  to do this  has  been  fostered  by the  Private  Securities
Litigation Reform Act of 1995 (the "Reform Act"), which provides a "safe harbor"
for  forward-looking  statements to encourage  companies to provide  prospective
information so long as those statements are accompanied by meaningful cautionary
statements  identifying  important  factors that could cause  actual  results to
differ materially from those discussed in the statement. The Company believes it
is in the best  interest of  investors to take  advantage  of the "safe  harbor"
provisions of the Reform Act. Such  forward-looking  statements are subject to a
number of known and unknown risks and uncertainties that, in addition to general
economic and business  conditions  and those  described in "Risk  Factors" could
cause the Company's  actual  results,  performance  and  achievements  to differ
materially from those described or implied in the forward-looking statements.


                                                             THE OFFERING


Securities Registered................... 2,340,938 shares of Common Stock
Common Stock outstanding
   prior to the offering hereby......... 18,782,822 shares of Common Stock(1)(2)
Common Stock outstanding
   after the offering hereby............ 21,123,760 shares of Common Stock(1)(3)
Common Stock trading symbol                                           
   on NASDAQ............................ XYBR
- ---------------------

(1)   Does not  include  (i)  1,390,430  shares of  Common  Stock  reserved  for
      issuance upon the exercise of outstanding options;  (ii) 152,860 shares of
      Common Stock reserved for issuance upon exercise of  outstanding  warrants
      to purchase Common Stock;  (iii) 4,583,402 shares of Common Stock reserved
      for issuance upon exercise of  outstanding  warrants  issued in connection
      with the  Company's  initial  public  offering  (the "IPO");  (iv) 457,496
      shares  of  Common  Stock  registered  in  connection  with  the  Series A
      Preferred  Stock but  unissued as of May 8, 1998;  (v)  155,424  shares of
      Common Stock  registered in connection  with the Series B Preferred  Stock
      but unissued as of May 8, 1998;  and (vi)  420,000  shares of Common Stock
      reserved for issuance upon exercise of an option  granted  pursuant to the
      Company's  IPO to  purchase  210,000  shares of Common  Stock and  210,000
      redeemable  warrants,  each such  warrant to purchase  one share of Common
      Stock at an  exercise  price of  $9.075.  See "Risk  Factors  -- Effect of
      Possible Non-Cash Future Charge" and " -- Securities  Issuable Pursuant to
      Options, Warrants and the Unit Purchase Option."

(2)   Does not  include  840,124  shares of Common  Stock  issued as of the date
      hereof in connection with the April 1998 Private  Placement that are being
      registered herein.

(3)   Assumes  the number of shares of the Common  Stock that would be  issuable
      upon  exercise by the holders  thereof of the Warrant A and Warrant B, and
      the  exercise  by the Company of Put  Options in the  aggregate  principal
      amount of $3,000,000. See "Description of Securities."



                                       -4-

<PAGE>



                                  RISK FACTORS

           An investment in the shares of Common Stock offered hereby involves a
high  degree  of risk.  Prospective  investors  should  carefully  consider  the
following risk factors,  in addition to the other  information set forth in this
Prospectus,  in  connection  with an  investment  in the shares of Common  Stock
offered hereby.

HISTORY AND EXPECTATION OF FUTURE LOSSES; NEED FOR ADDITIONAL FINANCING

           The Company was incorporated in October 1990 and commenced operations
in November 1992. In the fiscal years ended March 31, 1994 and 1995, the Company
incurred a net loss of $47,352 and $1,303,892,  respectively. In the years ended
December 31, 1996 and 1997,  the Company  incurred a net loss of $5,238,536  and
$9,479,966,  respectively.  The Company incurred a net loss of $1,489,321for the
quarter ended March 31, 1998. The consolidated balance sheets as of December 31,
1997  and  1996  and  the  related   consolidated   statements  of   operations,
stockholders'  equity, and cash flows for the years then ended,  incorporated by
reference in this Prospectus,  have been incorporated  herein in reliance on the
report dated March 31, 1998, which includes an explanatory paragraph, concerning
the  Company's  ability to  continue  as a going  concern,  of Coopers & Lybrand
L.L.P.,  independent  accountants,  given  on  their  authority  as  experts  in
accounting and auditing.  The Company intends to conduct significant  additional
research, development and testing that, together with establishment of marketing
and distribution  capabilities,  are expected to require substantial funding and
to result in continuing  operating  losses until such time as  sufficient  gross
margins from revenues are generated to cover  operating  costs.  There can be no
assurance that, notwithstanding these efforts and the expenditure of substantial
funds, the Company ever will achieve substantial sales of any of its products or
profitable operations or that it will be able to meet the competitive demands of
the industry in which it  operates.  The success of the Company will be affected
by expenses,  operational  difficulties and other factors frequently encountered
in the development of a business enterprise in a competitive  environment,  many
of which may be beyond the Company's control.
See "Risk Factors - Competition."

LIQUIDITY; WORKING CAPITAL NEEDS

           To meet working capital cash requirements, the Company intends obtain
a working capital line of credit and/or complete additional financings including
the exercise of its Put Option under the Private Placement.  However,  there can
be no assurance that the Company can or will obtain sufficient funds to meet, in
whole or in part, its working  capital needs from  collections of product sales.
There can be no assurance that the Company will be capable of raising additional
capital thereafter or of establishing and obtaining funds from a working capital
line of credit,  or that the terms  upon  which  such  capital or line of credit
would be available to the Company would be acceptable, in which case the Company
could be required to curtail materially, suspend or cease operations.

DILUTION; IMPACT OF SALE OF COMMON STOCK UPON CONVERSION OF SERIES A
AND SERIES B PREFERRED STOCK, AND THE EXERCISE OF THE PUT OPTIONS
AND WARRANTS

           The purchasers of the Shares offered hereby will experience immediate
and substantial  dilution in the net tangible value of their Shares in the event
of  conversion of  outstanding  Series A and Series B Preferred  Stock,  and the
exercise of the Put Options and Warrants.  Specifically, the Series A and Series
B Preferred Stock are convertible into Common Stock and the Company may exercise
the Put Options  resulting in the  issuance of Common  Stock at  discounts  from
future  market  prices of the Common  Stock,  which could result in  substantial
dilution  to existing  holders of Common  Stock.  The sale of such Common  Stock
acquired at a discount could have


                                       -5-

<PAGE>



a negative  impact on the trading  price of the Common Stock and could  increase
the volatility in the trading price of the Common Stock.

           In addition,  the Company has agreed to reserve and keep available at
all times, free of preemptive rights,  shares of Common Stock for the purpose of
enabling  the Company to satisfy  any  obligation  to issue the Put Shares,  the
Warrant A Shares and the Warrant B Shares; such amount of shares of Common Stock
to be  reserved  shall be  calculated  based  upon the  minimum  purchase  price
therefor under the terms of the Private Equity Line of Credit Agreement, Warrant
A and Warrant B. The Put Options are exercisable  into Common Stock at discounts
from future  market prices of the Common  Stock,  and shares issued  pursuant to
Warrant A and Warrant B may be issued at a discount to the future  market  price
of the Common  Stock,  which could  result in  substantial  dilution to existing
holders of Common  Stock.  The sale of such Common Stock  acquired at a discount
could have a negative  impact on the trading price of the Common Stock and could
increase  the  volatility  in  the  trading  price  of  the  Common  Stock.  See
"Description of Securities."

SERIES A PREFERRED STOCK

           In June 1997, the Company sold 3,000 shares of the Series A Preferred
Stock,  each  share  with a  liquidation  preference  of $1,000  (the  "Series A
Liquidation Preference"), for an aggregate of $3 million. The Series A Preferred
Stock is convertible into Common Stock at discounts from future market prices of
the Common Stock, which could result in substantial dilution to existing holders
of  Common  Stock.  The  Company  must  reserve  and keep  available  out of its
authorized  but  unissued  shares of Common  Stock,  solely  for the  purpose of
effecting the conversion of the Series A Preferred  Stock,  at least such number
of its  Common  Stock  that  is  sufficient  to  effect  the  conversion  of all
outstanding  shares  of  the  Series  A  Preferred  Stock.  The  sale  or  other
disposition (for cash, shares of stock,  securities or other consideration),  of
all or substantially  all of the assets of the Company would entitle the holders
of the Series A Preferred  Stock to receive the Series A Liquidation  Preference
on all  their  shares  of Series A  Preferred  Stock  plus  accrued  and  unpaid
dividends.  The Company has  registered  a total of  1,960,713  shares of Common
Stock underlying the Series A Preferred  Stock, of which,  1,285,713 shares were
registered in a  registration  statement  filed with the Commission on September
22, 1997 and an  additional  675,000  shares were  registered in an amendment to
such registration  statement filed with the Commission on May 8, 1998. As of May
8,  1998,  1,503,217  shares  of  Common  Stock  had  been  issued  pursuant  to
conversions  of Series A Preferred  Stock.  See  "Description  of  Securities --
Series A Preferred Stock."

SERIES B PREFERRED STOCK

           In November 1997 and January 1998, the Company placed 4,000 shares of
the Series B Preferred Stock, each share with a liquidation preference of $1,000
(the "Series B Liquidation Preference"), for an aggregate of $4,000,000 and paid
the  placement  agent for this sale with 180  shares of the  Series B  Preferred
Stock.  In February  1998, the Company placed 1,000 shares of Series B Preferred
Stock and paid the  placement for this sale with 60 shares of Series B Preferred
Stock.  The  Series  B  Preferred  Stock is  convertible  into  Common  Stock at
discounts  from future market prices of the Common Stock,  which could result in
substantial  dilution  to existing  holders of Common  Stock.  The Company  must
reserve and keep available out of its  authorized but unissued  shares of Common
Stock,  solely  for the  purpose of  effecting  the  conversion  of the Series B
Preferred  Stock, at least such number of its Common Stock that is sufficient to
effect the conversion of all outstanding shares of the Series B Preferred Stock.
The sale or other  disposition (for cash,  shares of stock,  securities or other
consideration),  of all or substantially  all of the assets of the Company would
entitle  the  holders of the Series B  Preferred  Stock to receive  the Series B
Liquidation  Preference  on all their  shares of Series B  Preferred  Stock plus
accrued and unpaid  dividends.  The Company has  registered a total of 3,327,663
shares of Common Stock


                                       -6-

<PAGE>



underlying the Series B Preferred Stock, of which,  2,622,663 were registered in
a  registration  statement  filed  with the  Commission  on  January 2, 1998 and
amended on January 22, 1998, and 705,000 were registered in a further  amendment
to such  registration  statement filed with the Commission on May 8, 1998. As of
May 8,  1998,  3,172,239  shares of Common  Stock had been  issued  pursuant  to
conversions  of Series B Preferred  Stock.  See  "Description  of  Securities --
Series B Preferred Stock."

UNCERTAINTY OF MARKET DEVELOPMENT AND PRODUCT ACCEPTANCE

           The mobile computing  market is emerging and relatively  undeveloped.
The Company  sold its first Mobile  Assistant(R)  in 1993 and as of December 31,
1997 had sold and delivered  approximately  $1.8 million of Mobile  Assistant(R)
systems.  The Company  commenced  delivery of the  Pentium(R)  Mobile  Assistant
P-133(TM) in August 1997 and has announced that it expects to commence  delivery
of Mobile  Assistant(R)  IV, a Pentium 266 MHz based  system  ("MA IV"),  in the
quarter  ending  December 31, 1998.  In September  1997,  the Company  announced
linkAssist(TM), a software development toolkit, which provides speech linking of
data in almost any format,  without altering the original data and webAssist(TM)
software  that allows voice  navigation  of HTML links found on the Internet and
intranet.  The size of the mobile computing  market is currently  limited by the
high unit prices of mobile  computers as compared to laptops and other  portable
computers,  the specialized  nature of each  application and the need for custom
applications and system integration and the limited supply to date of components
for completed  systems.  The potential size of the market will be limited by the
rate at which  prospective  customers  recognize  and accept the  functions  and
capabilities of integrated mobile computing  systems.  There can be no assurance
that a  significant  market will develop for mobile  computing  systems or, if a
market develops,  that the Mobile  Assistant(R)  series and any of the Company's
other products will become a significant factor in any market that develops.  In
addition, there is no assurance that the Company will obtain the working capital
needed to meet the competitive demands of the industry in which it operates. See
"Risk Factors - Liquidity; Working Capital Needs; -- Competition."

           The   commercial   success   of  the  Mobile   Assistant(R)   series,
linkAssist(TM),  webAssist(TM)  and software  toolkits  enabling  the  Company's
customers  to  more  rapidly  create  customized  software   applications  on  a
stand-alone basis or for use with the Mobile Assistant(R)  series, and any other
product  that the  Company  may  develop  will  depend  upon  acceptance  by the
commercial, healthcare, education and military markets, of which there can be no
assurance.

           The   Company   believes   that  any  product   acceptance   will  be
substantially dependent upon educating the commercial, healthcare, education and
military markets as to the capabilities,  characteristics, benefits and efficacy
of the Mobile  Assistant(R)  series and the Company's other  products,  of which
there can be no assurance.

COMPETITION

           The computer  industry is intensely  competitive and is characterized
by rapid technological  advances,  evolving industry standards and technological
obsolescence.  Many of the Company's  current  competitors have longer operating
histories and greater financial, technical, sales, marketing and other resources
than the Company.  Several other  companies are engaged in the  manufacture  and
development of body-mounted or hand-held computing systems that compete with the
Mobile  Assistant(R)  series,  including  Computing  Devices  International,   a
division of Ceridian Corporation,  ViA Inc., Texas Microsystems,  Telxon, Norand
and Teltronics,  Inc., a subsidiary of Interactive Solutions, Inc., Raytheon and
a  consortium  of Litton and TRW.  Personal  digital  assistants  and laptop and
notebook  computers  also are  products  that could  compete  against the Mobile
Assistant(R) in applications where hands-free,  voice-activated operation is not
required. Many of these computers


                                       -7-

<PAGE>



are  manufactured  by major domestic and foreign  computer  manufacturers  which
possess  far more  resources  than the  Company  and can be  expected to compete
vigorously  with the Company for the market at which the Mobile  Assistant(R) is
directed.  In addition,  new and competing  technologies  are being developed in
hands-free mobile computing systems.  There can be no assurance that the Company
will be able to compete successfully against its competitors,  that it will have
the working capital needed to incorporate the constant technological advances in
its  products or that the  competitive  pressures  faced by the Company will not
adversely affect its financial performance.

DEPENDENCE UPON SUPPLIERS

           To prepare the Mobile  Assistant(R)  P-133 for delivery to customers,
the Company purchases system components from several suppliers, who manufacture,
assemble,  integrate and test these components.  The Company then combines those
components and performs system tests prior to shipping.  Certain  components are
currently  purchased from single  suppliers.  The Company expects that the MA IV
will be assembled, integrated and tested by third party. The Company has entered
into written agreements with its suppliers for batteries,  head-mounted displays
and computing  units.  Although the Company  believes there are multiple sources
for many parts and  components,  the Company  currently  depends  heavily on its
current suppliers.  Although management believes that the Company could adapt to
any supply interruptions,  such occurrences could necessitate changes in product
design or  assembly  methods  for the Mobile  Assistant(R)  series and cause the
Company to experience  temporary  delays or  interruptions  in supply while such
changes are incorporated. Further, because the order time for certain components
may range up to  approximately  three months,  the Company also could experience
delays or interruptions in supply in the event the Company is required to find a
new supplier for any of these components. Any disruptions in supply of necessary
parts and  components  from the Company's  key  suppliers  could have a material
adverse effect on the Company's  results of operations.  Any future  shortage or
limited  allocation  of  components  for the  Mobile  Assistant(R)  could have a
material adverse effect on the Company.

SUBSTANTIAL DEPENDENCE UPON SINGLE PRODUCT LINE;
POSSIBILITY OF UNSUCCESSFUL NEW PRODUCT DEVELOPMENT

           The Mobile  Assistant(R) series currently consists of the P-133 model
based on a 133 MHz Intel  Pentium(R)  processor and the MA IV, which is expected
to be available in late 1998. The Mobile  Assistant(R)  series are the Company's
principal products,  and its success will depend upon its commercial acceptance,
which  cannot be assured.  For single unit  purchases,  the Mobile  Assistant(R)
P-133  currently  is priced  from  $7,196 to $8,995 and up,  depending  upon the
discount and selected features. As technological  developments cause declines in
hardware costs, the Company expects that mobile computer sales will be driven by
system  capabilities  and  integration.  There is no  assurance  that the Mobile
Assistant(R) will offer the performance  capabilities or features that customers
will value and, if not,  the  Company  could be required to modify the design of
the Mobile  Assistant(R) which may require the expenditure of additional capital
currently  unavailable to the Company.  While  linkAssist(TM)  and the Company's
planned software toolkits are intended for use both with the Mobile Assistant(R)
series and  independently,  there can be no assurance that a separate market for
the Company's existing and planned software products will develop.  There can be
no assurance that any products,  if sold, will generate  significant revenues or
any profits.  The Company is also developing  additional products for the Mobile
Assistant(R)  series for  introduction  in the future and  intends to modify the
Mobile  Assistant(R)  series for use in other  applications and to develop other
products using its core technologies. Additional product development will result
in the Company incurring  significant research and development expenses that may
be unrecoverable  should  commercialization  of new products prove unsuccessful.
The Company also could require additional funding if research and



                                       -8-

<PAGE>



development  expenses  are greater than  anticipated.  There can be no assurance
that the Company will be successful in its future product development efforts or
in diversifying its product line. See "Risk Factors - Liquidity; Working Capital
Needs."

UNCERTAIN PROTECTION OF PATENT AND PROPRIETARY RIGHTS;
NO ASSURANCE OF ENFORCEABILITY OR SIGNIFICANT COMPETITIVE ADVANTAGE

           The  Company   considers  its  patent,   trade  secrets,   and  other
intellectual  property  and  proprietary  information  to be  important  to  its
business prospects. The Company relies on a combination of patent, trade secret,
copyright  and  trademark  laws and  contractual  restrictions  to establish and
protect its proprietary rights. The Company has entered into confidentiality and
invention   assignment   agreements   with  its   employees,   and  enters  into
non-disclosure  agreements  with  its  suppliers,  VARs,  OEMs  and  actual  and
potential  customers  to  limit  access  to and  disclosure  of its  proprietary
information. The Company has registered its Mobile Assistant(R) and Xybernaut(R)
trademarks on the  Principal  Register of the United States Patent and Trademark
Office ("Patent Office").

           In  April  1994,   U.S.   patent   number   5,305,244   ("hands-free,
user-supported  portable  computers") (the "Patent") for the Mobile Assistant(R)
Series was granted to the Company.  This patent was  previously  assigned to the
Company by several  employees of the Company.  In  September  1995,  the Company
received  a  notification  from the Patent  Office  entitled  "office  action in
reexamination,"  which  indicated  that  certain  claims  under the Patent  were
subject to reexamination and were preliminarily  rejected.  The reexamination of
the  Patent was  initiated  as a result of a request  from one of the  Company's
competitors.  In May 1996, the Company was successful in the  reexamination  and
the Patent Office issued a Notice of Intent to Issue  Reexamination  Certificate
and  Reexamination  Reasons for  Patentability/Confirmation  with respect to the
issues raised by the request for  reexamination,  wherein it concluded  that the
Company's claims are patentable with respect to the issues raised by the request
for  reexamination.  In April 1996,  the Company  received  notification  that a
second  reexamination  request had been filed with the Patent Office by the same
competitor that had initiated the prior reexamination, and in September 1996 the
Company  received a notification  from the Patent Office entitled "office action
in  reexamination,"  which  indicates  that certain claims under the patent were
subject to reexamination and were preliminarily  rejected. In November 1996, the
Company  filed  a  written  response  to  the  request  for   reexamination  and
preliminary  rejection.  The second  re-examination  has been  concluded and the
Patent Office indicated that the Company was successful in the reexamination and
sent the  Company  a  "Notice  of  Intent  to Issue  Reexamination  Certificate"
indicating that the Patent Office ruled in the Company's favor.  Subsequently on
September 23, 1997,  the Patent Office issued the  Reexamination  Certificate to
the  Company  indicating  successful  results  for  the  Company  in the  second
re-examination.  Most of the  Company's  revenue  for the  twelve  months  ended
December 31, 1997 and 1996 were derived from products  included within the scope
of the patent.  The  Company  has  notified  several of its  competitors  of the
existence  of the Patent,  which the  Company's  counsel  believes may have been
infringed by some of such  competitors.  The Company intends to take any and all
appropriate measures,  including legal action, necessary to maintain and enforce
its rights  under the Patent and to recover any damages  suffered as a result of
any alleged infringement.

           Since July 1996,  the Company has filed fifteen  patent  applications
covering  various  aspects of  computers  in general and  wearable  computers in
particular.  Of these fifteen  applications,  five additional  patents have been
issued,  one patent has been  allowed  pending  issuance  and nine  patents  are
pending.  Most of these applications have also been filed in European countries,
The  People's  Republic of China,  Japan,  Republic of Korea,  Republic of China
(Taiwan),  Canada and Australia. All patents obtained by Company employees under
pending  and future  applications  have been and will be assigned to the Company
under existing invention assignments.


                                       -9-

<PAGE>



           Notwithstanding  the  foregoing,  there can be no assurance  that the
Company's  pending patent  applications  will issue as patents,  that any issued
patent will provide the Company with significant  competitive advantages or that
challenges will not be instituted  against the validity or enforceability of any
patent held by the Company.  The cost of  litigation  to uphold the validity and
prevent  infringement  of  patents  can be  substantial.  There  also  can be no
assurance that others will not  independently  develop  similar or more advanced
products,  design patentable alternatives to the Company's products or duplicate
the Company's trade secrets. The Company may in some cases be required to obtain
licenses  from  third-parties  or to redesign its products or processes to avoid
infringement.   The  Company  also  relies  on  trade  secrets  and  proprietary
technology  and enters into  confidentiality  agreements  with its employees and
consultants.  There can be no  assurance  that the  obligation  to maintain  the
confidentiality  of such trade secrets or  proprietary  information  will not be
breached by employees or  consultants  or that the  Company's  trade  secrets or
proprietary  technology  will not  otherwise  become  known or be  independently
developed  by  competitors  in such a manner that the  Company has no  practical
recourse.

LIMITED MARKETING AND DIRECT SALES EXPERIENCE;
DEPENDENCE ON OTHERS FOR MARKETING AND SALES.

           The Company intends to continue  development of a sales  organization
to market  and sell its  mobile  computing  products  to  value-added  resellers
("VARs"), original equipment manufacturers ("OEMs"), distributors and end users.
The  Company is also  developing  a network of VARs,  distributors  and OEMs and
intends  to enter into  joint  ventures  and  licensing  or other  collaborative
arrangements to market and sell its mobile computing products. Such arrangements
may result in a loss of control by the Company  over the  marketing  and sale of
its products.  There can be no assurance  that the Company will be successful in
entering into such additional  arrangements or be able effectively to manage and
maintain its relationships  with others, or that any marketing and sales efforts
undertaken  for the  Company by others  will be  successful.  The  Company  also
markets  its  products  outside  of the  United  States.  A number  of risks are
inherent in international  transactions,  such as the imposition of governmental
controls  including  restrictions on the exporting of currency,  fluctuations in
foreign  currency  exchange rates,  export license  requirements,  political and
economic  instability,  trade restrictions,  changes in tariffs and difficulties
and  expenses  in managing  international  operations.  These and other  factors
beyond the  Company's  control may  adversely  affect the  Company's  ability to
achieve significant sales.

DEPENDENCE UPON AND NEED FOR KEY PERSONNEL; LIMITED MANAGEMENT TEAM

           The Company's  success  depends to a significant  extent on Edward G.
Newman,  its  President,  Chief  Executive  Officer and Chairman of its Board of
Directors.  The loss of Mr. Newman would have a material  adverse  effect on the
Company's  progress and ultimate  likelihood of success.  Because the Company is
substantially  dependent on Mr.  Newman's  services and there are currently only
two other board-elected  officers of the Company,  the Company may be considered
to have limited  management.  Although the Company has entered into a three-year
employment  agreement with Mr. Newman, this agreement may not assure the Company
the continued services of Mr. Newman. The Company has obtained a key-person life
insurance  policy on the life of Mr.  Newman in the  amount of  $2,000,000.  The
Company's success also will depend upon its ability to attract and retain highly
qualified and experienced management and technical personnel.  The Company faces
competition for such personnel from numerous other entities,  many of which have
significantly greater resources than the Company. There can be no assurance that
the  Company  will be  successful  in  recruiting  such  personnel  or that,  if
recruited,  such persons would succeed in establishing profitable operations for
the Company.


                                      -10-

<PAGE>



CUSTOMER CONCENTRATION

           For the twelve  month period  ended  December  31,  1996,  two of the
Company's  customers accounted for 64% and 24%,  respectively,  of the Company's
revenues.  For the fiscal year ended December 30, 1997, two customers  accounted
for 34% and  10%,  respectively  of the  Company's  revenues.  Accordingly,  the
Company is significantly  dependent on revenues derived from a limited number of
customers.  The loss of one or more  significant  customers  may have a material
adverse  effect on the ability of the Company to achieve  profitability.  To the
extent the Company's  dependence  increases on large corporate  customers in the
future,  the Company will be subject to an  increased  risk that the loss of any
such customers will have a material  adverse effect on the Company's  results of
operations.  The Company may remain  dependent  in the  immediate  future upon a
limited number of customers (the identity of which may be subject to change) for
a material percentage of its annual operating revenue.

RAPID TECHNOLOGICAL CHANGE AND RISK OF OBSOLESCENCE

           The  market  for  computer   products  is   characterized   by  rapid
technological  advances,  evolving  industry  standards,  changes  in  end  user
requirements  and  frequent  new product  introductions  and  enhancements.  The
introduction  of products  embodying new  technologies  and the emergence of new
industry  standards  could render the Company's  existing  products and products
currently under  development  obsolete and  unmarketable.  The Company's success
will depend upon its  ability to enhance  its current  products  and develop and
successfully  introduce and sell new products that keep pace with  technological
developments and respond to evolving end user  requirements.  Any failure by the
Company to anticipate or respond adequately to technological developments or end
user  requirements,   or  any  significant  delays  in  product  development  or
introduction, could damage the Company's competitive position in the marketplace
and reduce  revenues.  The  Company  expects to increase  the use of  additional
external and internal resources in the near term to meet these challenges. There
can be no assurance that the Company will be successful in hiring,  training and
retaining qualified product  development  personnel to meet its needs. There can
be no assurance  that the Company will be successful in developing and marketing
new  products  or  product  enhancements  on a  timely  basis.  Any  failure  to
successfully develop and market new products and product enhancements would have
a material adverse effect on the Company's results of operations.

YEAR 2000 ISSUES

            The Company is aware of the  computing  issues  associated  with the
coming of the millennium (year 2000), most notably whether computer systems will
properly  recognize  date sensitive  information  when the year changes to 2000.
Systems that do not properly recognize such information could generate erroneous
data or cause a system  to fail.  Based on  preliminary  investigations  and the
representations of several of its suppliers, the Company currently believes that
computers and software used in its  operations  and sold by the Company are year
2000  compliant.  The Company is working  with its  suppliers  and  customers to
either verify year 2000 compliance or identify and execute  appropriate  changes
to make such systems year 2000 compliant.  The Company believes that the cost of
completing  any  modifications  for year 2000  compliance to the systems used or
sold by the Company  will not be  material.  However,  there can be no assurance
that the  Company's  suppliers  will be correct in their  assertions  that their
products are year 2000  compliant or that the Company's  estimate of the cost of
systems  modifications  for year 2000  compliance  will prove  ultimately  to be
correct.


                                      -11-

<PAGE>



INDUSTRY CYCLICALITY

           The  computer  industry  historically  has been  affected by periodic
downturns,  which  have had an  adverse  economic  effect  on  manufacturers  of
computer  hardware  and  software  as well as upon end  users of  computers.  In
addition, the life cycle of existing computer products and timing of new product
development  and  introduction  can affect  demand for  computer  products.  The
Company's  results of  operations  for any  particular  period may be  adversely
affected by numerous  factors,  such as the loss of key  suppliers or customers,
price competition,  problems encountered in managing inventories or receivables,
the timing or  cancellation  of purchase orders with suppliers and the timing of
expenditures in anticipation  of increased sales and customer  product  delivery
requirements,  if any. Price  competition in the computer  industry in which the
Company  competes is intense and could  result in gross  margin  declines  which
could have an adverse impact on the Company's financial performance.

EFFECT OF POSSIBLE NON-CASH FUTURE CHARGE

           As a condition to the Company's  initial public offering (the "IPO"),
certain of the Company's  stockholders,  primarily officers and directors,  have
been  required to deposit an aggregate of 1,800,000  shares of Common Stock into
an escrow account (the "Escrowed  Shares").  The Escrowed  Shares are subject to
incremental  release  over a three-year  period only in the event the  Company's
gross  revenues and earnings  (loss) per share for the 12-month  periods  ending
September  30, 1997,  1998 and 1999 equal or exceed  certain  gross  revenue and
earnings (loss) per share targets.  If such per share targets are not met in any
of the  relevant  12-month  periods  (and the price of the Common Stock does not
meet or exceed the price described below),  the Escrowed Shares will be returned
to the Company in amounts which have been agreed upon between the Representative
and the Company for each period and canceled. In addition to the foregoing,  all
the then  Escrowed  Shares will be released to the  stockholders  if the closing
price of the Common Stock as reported on The Nasdaq  SmallCap  Market  following
this offering equals or exceeds $11.00 for 25 consecutive trading days or 30 out
of 35 consecutive  trading days during the period ending  September 30, 1999. In
the event any Escrowed  Shares held by officers,  employees and  consultants are
released, the difference between the initial offering price and the market value
of  such  shares  at the  time  of  release  will  be  deemed  to be  additional
compensation expense to the Company. Assuming the price of Common Stock is equal
to or greater than the initial offering price of the shares at the Company's IPO
(of which there can be no assurance),  the release of the Escrowed  Shares would
result  in an  earnings  charge  that  would  have the  effect  of  reducing  or
eliminating  any  earnings  per share and could  have a  negative  effect on the
market price for the Common  Stock.  The  earnings per share target  calculation
will be based on the average number of shares issued and outstanding during each
period but excludes  shares issued  pursuant to a unit purchase  option  granted
pursuant to the IPO,  extraordinary items or compensation expense charged to the
Company  related to the release of the Escrowed  Shares.  The stock and earnings
targets for escrow  release for September 30, 1997 were not achieved and 300,000
shares were canceled from the escrow pool, which resulted in a reduction of 2.1%
of the Company's outstanding shares of Common Stock. Given the expected start of
full-scale  production of the MA IV in the quarter ending December 31, 1998, the
Company's  management  believes  that it is  likely  that  the  Company's  gross
revenues  and  allowable  losses will not meet the  Performance  Targets for the
12-month  period  ending  September  30, 1998.  Accordingly,  the release of the
escrow  shares  for this  period is only  likely if the  stock  price  equals or
exceeds  $11.00  for 25  consecutive  trading  days or 30 out of 35  consecutive
trading days prior to September 30, 1998. If conditions  are not met for release
from  escrow,  then  750,000  shares of stock will be returned to the Company on
September  30,  1998  and  canceled,  resulting  in  no  earnings  impact  and a
commensurately lower number of outstanding shares.



                                      -12-

<PAGE>



CONTROL BY EXISTING STOCKHOLDERS

           Following this offering, the Company's executive officers,  directors
and  principal   stockholders   will,  in  the   aggregate,   beneficially   own
approximately  31.2% of the Company's  outstanding shares of Common Stock. These
stockholders,  if acting  together,  will be able  effectively  to control  most
matters  requiring  approval by the  stockholders of the Company,  including the
election of  directors.  The voting power of these  stockholders  under  certain
circumstances  could  have the  effect of  delaying  or  preventing  a change in
control of the Company.

LIMITATION OF LIABILITY

           The Company's Certificate of Incorporation provides that directors of
the Company shall not be personally  liable for monetary  damages to the Company
or its  stockholders  for a breach of fiduciary  duty as a director,  subject to
limited  exceptions.  Although such  limitation of liability does not affect the
availability  of equitable  remedies  such as injunctive  relief or  rescission,
these provisions of the Certificate of Incorporation  could prevent the recovery
of monetary damages against directors of the Company.  See  "Indemnification for
Securities Act Liabilities."

SHARES ELIGIBLE FOR FUTURE SALE

           Sales of a substantial number of shares of the Company's Common Stock
in the public market  following this offering could adversely  affect the market
price of the Common Stock. Of the 21,736,680 shares of Common Stock that will be
outstanding or registered  for sale upon the  completion of this  offering,  the
3,846,429  shares  distributed in the IPO, the 4,675,456  shares of Common Stock
issued in connection  with the conversion of Series A Preferred Stock and Series
B Preferred  Stock,  the 457,496  unissued shares of Common Stock  registered in
connection  with the Series A Preferred  Stock,  the 155,424  unissued shares of
Common Stock  registered in connection with the Series B Preferred Stock and the
2,340,938  additional shares of Common Stock registered in this offering will be
freely  tradeable.  The  remaining  10,260,937  shares of the  Common  Stock are
"restricted  securities" as that term is defined in Rule 144  promulgated  under
the Securities  Act, and in the future may only be sold pursuant to an effective
registration  statement  under  the  Securities  Act,  in  compliance  with  the
exemption  provisions  of Rule 144 or  pursuant to another  exemption  under the
Securities Act. In the absence of any agreement to the contrary, the outstanding
restricted  Common Stock could be sold in accordance with Rule 144 commencing 90
days from the date of this  Prospectus and at various times  thereafter  through
November  1997.  However,  pursuant  to the  terms of  agreements  entered  into
pursuant to the IPO,  the holders of  9,905,437  shares of Common  Stock may not
sell or dispose of their  shares of Common  Stock  until July 18,  1998  without
prior written consent of the  representative  of the underwriter in the IPO (the
"Representative").

SECURITIES ISSUABLE PURSUANT TO OPTIONS, WARRANTS AND THE UNIT PURCHASE OPTION

           At the date of this Prospectus, the Company has reserved an aggregate
of  6,546,692  shares of Common  Stock for  issuance on exercise of  outstanding
options and warrants.  The exercise prices of the options presently  outstanding
are $0.01 per share for 100,000 shares  granted in September  1994, and $1.37 to
$6.00 for  1,290,430  shares  granted  from  April 1, 1995 to May 8,  1998.  The
exercise price of the 287,860 warrants  outstanding as of May 8, 1998 is between
$1.76 and $18.00 per share.  In connection  with the Company's IPO,  warrants to
purchase  3,846,429  shares were  originally  issued that  entitle the holder to
purchase a share of common stock for $9.00 until July 19, 1999.  These  warrants
contain  anti-dilution  provisions that have resulted in the number of shares to
be issued upon a complete  warrant  exercise  increasing  to  4,583,402.  At the
completion of the IPO, the Representative received an option (the "Unit Purchase
Option") to purchase 210,000 Units (the "Units"), each


                                      -13-

<PAGE>



unit  consisting  of one share of Common  Stock and one  Redeemable  Warrant  (a
"Warrant") to purchase one share of Common Stock,  at a price of $9.075 per Unit
during a period of four years commencing July 18, 1997. The Warrants included in
the Unit Purchase Option are  exercisable at $12.60 per share.  During the terms
of the outstanding  options,  warrants and the Unit Purchase Option, the holders
are  given the  opportunity  to profit  from a rise in the  market  price of the
Common Stock,  and their exercise may dilute the ownership  interest of existing
stockholders,  including  investors  in  this  offering.  The  existence  of the
options,  the warrants and the Unit  Purchase  Option may  adversely  affect the
terms on which the Company may obtain additional equity financing. Moreover, the
holders are likely to exercise  their  rights to acquire  Common Stock at a time
when the  Company  would  otherwise  be able to  obtain  capital  on terms  more
favorable than could be obtained through the exercise of such securities.

NO DIVIDENDS ANTICIPATED

           The Company has never paid any dividends on its  securities  and does
not anticipate the payment of dividends in the foreseeable future.

VOLATILITY OF STOCK PRICE

           The trading price of the Common Stock has been  volatile,  and it may
continue to be so. Such trading price could be subject to wide  fluctuations  in
response to announcements of business and technical  developments by the Company
or its competitors,  quarterly variations in operating results, and other events
or factors,  including expectations by investors and securities analysts and the
Company's prospects.  In addition,  stock markets have experienced extreme price
volatility in recent years. This volatility has had a substantial  effect on the
market prices of development stage companies,  at times for reasons unrelated to
their operating performance. Such broad market fluctuations may adversely affect
the price of the Common Stock.

ANTI-TAKEOVER CONSIDERATION; RIGHTS OF PREFERRED STOCK

           The Company's Certificate of Incorporation authorizes the issuance of
up to  6,000,000  shares  of $.01 par  value  preferred  stock  (the  "Preferred
Stock").  As of the date of this  Prospectus,  only the Series A Preferred Stock
and the Series B Preferred Stock are issued and outstanding.  The authorized and
unissued  Preferred  Stock may be issued with voting,  conversion or other terms
determined by the Board of Directors which could be used to delay, discourage or
prevent a change of control of the  Company.  Such terms  could  include,  among
other things, dividend payment requirements,  redemption provisions, preferences
as to dividends and distributions and preferential  voting rights.  The issuance
of  Preferred  Stock  with  such  rights  could  have  the  effect  of  limiting
stockholder  participation  in  certain  transactions  such as mergers or tender
offers and could  discourage  or prevent a change in  management of the Company.
The Company has no present  intention to issue any additional  Preferred  Stock.
See "Description of Securities -- Preferred Stock."

           In addition,  the Board of Directors of the Company  recently adopted
resolutions which implemented a classified or staggered Board of Directors which
would  limit an  outsider's  ability to effect a rapid  change of control of the
Board.

           The  ability  of the  Board  of  Directors  to  issue  "blank  check"
Preferred  Stock and the staggered  Board of Directors  could have the effect of
delaying, deterring or preventing a change in control of the Company without any
further action by the  shareholders.  In addition,  issuance of Preferred Stock,
without shareholder approval,


                                      -14-

<PAGE>



on such terms as the Board of Directors may determine,  could  adversely  affect
the  voting  power of the  holders of the Common  Stock,  including  the loss of
voting control to others. See "Description of Securities."


                                 USE OF PROCEEDS

           The Shares being offered hereby are being  registered for the account
of the Selling Stockholders,  and, accordingly, the Company will not receive any
of the proceeds from the sale of the Shares.


                              SELLING STOCKHOLDERS

           The Shares being offered for resale by the Selling  Stockholders were
acquired in  connection  with the April 1998 Private  Placement  and the January
1998  Private  Placement.  Pursuant to the terms and  conditions  of the Private
Equity  Line of Credit  Agreement,  certain  of the  Selling  Stockholders  will
purchase up to an additional  $10,000,000  of the Company's  Common Stock during
the  Commitment  Period,  as  defined  in the  agreement.  See  "Description  of
Securities."

           The  following  table sets forth  certain  information  regarding the
ownership  of shares of Common  Stock by the Selling  Stockholders  as of May 8,
1998, and as adjusted to reflect the sale of the Shares.  The information in the
table  concerning the Selling  Stockholders  who may offer Shares hereunder from
time  to  time  is  based  on  information  provided  to  the  Company  by  such
stockholder,  except for the assumed  exercise of the Warrant A and Warrant B by
the holders thereof and the exercise by the Company of the Put Option,  which is
based solely on the assumptions  referenced in footnotes (1), (2) and (3) to the
table.  Information  concerning the Selling Stockholders may change from time to
time and any  changes of which the  Company  is  advised  will be set forth in a
Prospectus Supplement to the extent required. See "Plan of Distribution."

                                                              Shares of
                                                          Common Stock Owned
                                                           after Offering (4)
                                                        ---------------------
                          Shares of
                        Common Stock     Shares of
                       Owned Prior to   Common Stock
                          Offering      to be Sold(3)    Number      Percent
                       --------------   -------------   ---------   ---------
Balmore Funds S.A        1,135,469(1)     1,135,469     1,135,469       5.4%
Austost Anstalt Schaan   1,135,469(1)     1,135,469     1,135,469       5.4%
Settondown Capital                                                    
  International Ltd.        70,000(2)        70,000        70,000       0.3%
                         ---------        ---------     ---------     -----
   Total                 2,340,938        2,340,938     2,340,938      11.1%
                         =========        =========     =========     =====
                                                                    
- -----------------

(1)   Includes  592,593  shares of Common  Stock,  10,000  shares  issuable upon
      conversion of Warrant A, 10,000 shares issuable upon conversion of Warrant
      B and a total of 1,045,752 shares issuable upon exercise by the Company of
      Put Options in the aggregate  principal  amount of  $3,000,000  which have
      been allocated  equally  (522,876  shares) between the two Investors.  See
      "Description of Securities."



                                      -15-

<PAGE>



(2)   Includes  50,000  shares of Common Stock and 20,000  shares  issuable upon
      exercise of Warrant A issued to the Placement Agent in connection with the
      Private Placement.

(3)   Assumes that each Selling  Stockholder  will exercise all of its Warrant A
      and Warrant B into Common Stock;  also assumes the exercise by the Company
      of Put Options in the aggregate principal amount of $3,000,000  (1,045,752
      shares) which have been allocated  equally between the two Investors.  See
      "Description of Securities."

(4)   Each  Selling  Stockholder  has  agreed  that it will not,  following  any
      purchase of the Put Shares,  be the  beneficial  owner of 4.99% or more of
      the then  issued  and  outstanding  shares of Common  Stock.  The  Selling
      Shareholders are not affiliated with the Company. The Selling Stockholders
      have not had any material  relationship  with the Company  within the past
      three years.


                            DESCRIPTION OF SECURITIES

GENERAL

           The  authorized  capital stock of the Company  consists of 40,000,000
shares of Common  Stock,  par value  $.01 per  share,  and  6,000,000  shares of
Preferred  Stock,  par value $.01 per share.  As of the date hereof,  19,622,946
shares of Common  Stock  are  issued  and  outstanding,  750  shares of Series A
Preferred  Stock are issued and  outstanding and no shares of Series B Preferred
Stock are issued and outstanding.  The Company currently has reserved  6,546,692
shares  of  Common  Stock for  issuance  pursuant  to  outstanding  options  and
warrants.

THE PRIVATE PLACEMENT

           On April 13, 1998 (the "Subscription  Date"), the Company consummated
a Private  Placement  which  contemplates  the sale of up to  $11,000,000 of the
Company's  Common Stock over a period of up to two years from the effective date
of  the  Registration  Statement  of  which  this  Prospectus  is  a  part  (the
"Commitment Period").

           Pursuant to the terms of a Private  Equity  Line of Credit  Agreement
(the   "Agreement"),   Balmore  Funds  S.A.  and  Austost  Anstalt  Schaan  (the
"Investors")  purchased  Common Stock in the principal amount of $1,000,000 (the
"Initial Shares") at an initial purchase price of $1.2656 per share. The Company
also  issued  to each  Investor  a Warrant  A and a  Warrant  B to  purchase  an
aggregate of 20,000  shares of Common Stock (the "Warrant A Shares" and "Warrant
B  Shares",  respectively).  The  Company  also  issued  to  Settondown  Capital
International  Ltd. (the "Placement  Agent") 50,000 shares of Common Stock and a
Warrant A to purchase an additional 20,000 shares (collectively,  the "Placement
Shares").

           The Put Option
           --------------

           During the  Commitment  Period,  the Company may,  from time to time,
exercise a "put"  right (the "Put  Option")  by  delivery of a put notice to the
Investors  pursuant to which the Investors must purchase the allotted  number of
shares indicated therein;  provided,  however,  that, unless the Company obtains
Stockholder  approval pursuant to the applicable  corporate  governance rules of
the Nasdaq  Stock  Market,  the Company may not compel the  Investors  to make a
purchase  which  results in the issuance to an Investor,  individually,  of more
than 19.99%


                                      -16-

<PAGE>



of the shares of Common Stock of the Company  including the Initial Shares.  The
maximum  number of shares  for which the  Company  may  deliver a put  notice is
subject to certain  limitations  based on the  trading  volume of the  Company's
Common Stock and the closing  price of the Common  Stock.  The Put Shares may be
purchased  at a 10%  discount  off the average of the three  lowest  closing bid
prices of the Common  Stock  during  the  Valuation  Period  (as  defined in the
Agreement).  The obligation of the Investors to purchase shares upon exercise by
the  Company  of a Put Option is subject to  limitations  and  termination  upon
occurrence of certain conditions set forth in the Agreement.

           The Initial Shares,  Warrant A and Warrant B were issued, and the Put
Shares,  the Warrant A Shares and the  Warrant B Shares  will be issued,  by the
Company in reliance upon the  provisions of Section 4(2) and Regulation D of the
Securities Act.

           Warrant A
           ---------

           The  Warrant A issued to the  Investors  and the  Placement  Agent in
connection with the Private Placement may be exercised, subject to the terms and
subject to the conditions set forth therein, at any time on or after October 15,
1998 and on or prior to October 15, 2003, to subscribe  for and purchase  shares
of Common Stock of the Company at an exercise price of $1.76. The exercise price
and the number of shares for which the  Warrant A is  exercisable  is subject to
adjustment as provided  therein,  including,  but not limited to,  anti-dilution
provisions  pertaining  to the  declaration  of stock  dividends and the merger,
consolidation or liquidation of the Company.

           Warrant B
           ---------

           The Warrant B issued to the Investors in connection  with the Private
Placement may be exercised,  subject to the terms and subject to the  conditions
set forth  therein,  at any time on or after October 15, 1998 and on or prior to
October 15, 2003,  to subscribe  for and purchase  shares of Common Stock of the
Company at an  exercise  price of $2.81.  The  exercise  price and the number of
shares  for which the  Warrant A is  exercisable  is subject  to  adjustment  as
provided  therein,  including,  but not  limited  to,  anti-dilution  provisions
pertaining to the declaration of stock  dividends and the merger,  consolidation
or liquidation of the Company.  The Company, at its option, may redeem Warrant A
for $0.01 per Warrant A Share by giving the holder  thereof  written notice (the
"Call  Notice")  at any  time  after  the  Registration  Statement  is  declared
effective,  and the  closing  bid price of the  Common  Stock of the  Company is
greater than one hundred fifty (150%)  percent of the exercise  price for twenty
(20) consecutive trading days.

           Placement Shares; Compensation to Placement Agent.
           --------------------------------------------------

           As compensation for services  rendered in connection with the Private
Placement,  the Company  issued to the  Placement  Agent 50,000 shares of Common
Stock (which are subject to a one year lock-up from the Subscription  Date), and
a Warrant A to purchase 20,000 shares of Common Stock.  The Company also paid to
the Placement Agent five (5%) percent of the Initial Shares  investment  amount.
The Company also agreed to pay to the Placement Agent, following the closing for
each Put Option,  five (5%) percent of the gross proceeds in cash, and five (5%)
percent  of the  number  of  shares of  Common  Stock  issuable  in total to the
Investors for each Put.



                                      -17-

<PAGE>



COMMON STOCK

           The  holders of the Common  Stock are  entitled  to one vote for each
share held of record on all matters  submitted  to a vote of  stockholders.  The
Company's Certificate of Incorporation and By-Laws do not provide for cumulative
voting rights in the election of directors.  Accordingly,  holders of a majority
of the shares of Common Stock  entitled to vote in any election of directors may
elect all of the directors  standing for  election.  Holders of Common Stock are
entitled to receive  ratably  such  dividends as may be declared by the Board of
Directors  out  of  funds  legally  available  therefor.   In  the  event  of  a
liquidation,  dissolution or winding up of the Company,  holders of Common Stock
are  entitled  to  share  ratably  in the  assets  remaining  after  payment  of
liabilities.  Holders  of  Common  Stock  have  no  preemptive,   conversion  or
redemption  rights. All of the outstanding shares of Common Stock are fully-paid
and nonassessable.

PREFERRED STOCK

           The Board of Directors has the authority, without further stockholder
approval,  to issue up to 6,000,000  shares of Preferred Stock from time to time
in one or more series,  to establish the number of shares to be included in each
such series, and to fix the designations,  powers, preferences and rights of the
shares of each such series and the  qualifications,  limitations or restrictions
thereof.  The  issuance  of  Preferred  Stock may have the effect of delaying or
preventing a change in control of the Company.  The issuance of Preferred  Stock
could decrease the amount of earnings and assets  available for  distribution to
the holders of Common Stock,  if any, or could  adversely  affect the rights and
powers,  including voting rights, of the holders of the Common Stock. In certain
circumstances,  such  issuances  could have the effect of decreasing  the market
price of the Common Stock.

           SERIES A PREFERRED STOCK

           On June 30, 1997, the Board of Directors authorized the issuance of a
series of Preferred  Stock  consisting  of 3,000 shares (the "Series A Preferred
Stock"),  each such  share of  Series A  Preferred  Stock has a stated  value of
$1,000 (the "Liquidation Preference"),  pursuant to a Certificate of Designation
(the "Certificate of Designation").  From September 29, 1997 to May 8, 1998, the
holders of the Series A Preferred  Stock  converted a portion of their  holdings
and as of May 8, 1998,  three different  entities owned the remaining 750 shares
of the Series A Preferred Stock. The Company has registered a total of 1,960,713
shares of Common  Stock  underlying  the  Series A  Preferred  Stock,  of which,
1,285,713  shares were  registered in a  registration  statement  filed with the
Commission  on  September  22,  1997  and  an  additional  675,000  shares  were
registered  in an  amendment  to such  registration  statement  filed  with  the
Commission on May 8, 1998. As of May 8, 1998,  1,503,217  shares of Common Stock
were issued in connection  with  conversions of Series A Preferred Stock and 750
shares of Series A Preferred Stock were outstanding.

           Dividends.  The holders of the shares of Series A Preferred Stock are
entitled to  receive,  when and as  declared  by the Board of  Directors  of the
Company,  dividends  at the  rate  of five  percent  of the  stated  Liquidation
Preference per share per annum, and no more,  payable,  at the discretion of the
Board of Directors,  in Common Stock or \cash. Dividends accrue on each share of
Series A Preferred Stock from the date of initial  issuance.  Such dividends are
in preference to any distributions on any outstanding  shares of Common Stock or
any other  equity  securities  of the Company  that are junior to the  Preferred
Stock as to the payment of dividends.

           Preferences  on  Liquidation.  In  the  event  of  any  voluntary  or
involuntary  liquidation,  dissolution or winding up of the Company, the holders
of shares of the Series A Preferred Stock then outstanding  shall be entitled to
be paid,  out of the assets of the Company  available  for  distribution  to its
stockholders, an amount equal


                                      -18-

<PAGE>



to the  Liquidation  Preference for each share of Series A Preferred Stock owned
by such  holder,  plus all accrued and unpaid  dividends  thereon to the date of
payment.  If upon liquidation,  dissolution,  or winding up of the Company,  the
assets of the Company  available for distribution to its  stockholders  shall be
insufficient  to pay the  holders  of the  Series  A  Preferred  Stock  the full
Liquidation   Preference  plus  accrued  and  unpaid  dividends  to  which  they
respectively  shall be  entitled,  the holders of the Series A  Preferred  Stock
together  with the holders of any other series of Preferred  Stock  ranking on a
parity with the Series A  Preferred  Stock as to the  payments  of amounts  upon
liquidation,  dissolution or winding up shall share ratably in any  distribution
of assets according to the respective  amounts which would be payable in respect
of all  such  shares  held by the  respective  stockholders.  The  sale or other
disposition (for cash, shares of stock,  securities or other consideration),  of
all or  substantially  all of the assets of the Company  shall be deemed to be a
liquidation,  dissolution  or  winding  up of the  Company  but  the  merger  or
consolidation  of the Company into or with another  corporation  or into or with
the Company, shall not be deemed to be a liquidation,  winding up or dissolution
of the Company.  The holders of Series A Preferred  Stock shall have no priority
or preference  with respect to  distributions  made by the Company in connection
with the  repurchase  of shares of Common Stock issued to or held by  employees,
directors  or  consultants  upon  termination  of their  employment  or services
pursuant to agreements  providing for the right of said  repurchase  between the
Company and such persons.

           Conversion Rights. The holders of Series A Preferred Stock shall have
conversion  rights as follows:  (i) no shares of Series A Preferred Stock may be
converted prior to September 28, 1997; (ii) at any time after September 28, 1997
through  December 31, 1997,  up to  twenty-five  (25%)  percent of the shares of
Series A Preferred Stock then outstanding may be converted, at the option of the
holders  thereof;  and (iii)  thereafter,  on January 1, 1998, April 1, 1998 and
July 1, 1998, an additional  twenty-five (25%) percent of the shares of Series A
Preferred Stock then outstanding may be converted,  on a cumulative and pro rata
basis, at the option of the holders thereof.  The number of shares of fully-paid
and nonassessable Common Stock into which each share of Series A Preferred Stock
may be converted shall be determined by dividing the  Liquidation  Preference by
an amount (the "Conversion Price") equal to the lesser of (A) 82% of the average
closing bid price of the Common Stock as reported on the Nasdaq  SmallCap Market
or any  successor  exchange  in which the  Common  Stock is listed  for the five
trading  days  preceding  the date on which the holder of the Series A Preferred
Stock has  telecopied a notice of  conversion  to the Company  (the  "Conversion
Date") and (B) $3.50.

           In the event the shares of Series A Preferred Stock are not converted
within  ten  business  days of  receipt  by the  Company  of a valid  notice  of
conversion, the Company shall pay to the holder, by wire transfer, as liquidated
damages  for such  failure  and not as a penalty,  an amount in cash equal to 1%
percent per day of the purchase price of the shares of Series A Preferred  Stock
to be converted which shall run from the initial  Conversion Date and the holder
has the option to withdraw the notice of conversion  previously sent;  provided,
that the Company shall not be responsible for or required to pay such liquidated
damages if such failure to convert was not caused by any actions or omissions of
the Company.

           No fractional  shares of Common Stock shall be issued upon conversion
of the Series A Preferred  Stock. In lieu of any fractional  shares to which the
holder would  otherwise be  entitled,  the Company  shall pay cash equal to such
fraction  multiplied  by the  fair  market  value  of the  Common  Stock  on the
Conversion Date, as determined by the Company's Board of Directors.  The Company
shall not be obligated  to issue  certificates  evidencing  the shares of Common
Stock issuable upon conversion  unless either the  certificates  evidencing such
shares of Series A Preferred  Stock are delivered to the Company or its transfer
agent as provided  above,  or the holder  notifies  the Company or its  transfer
agent that such certificates have been lost, stolen or destroyed and executes an
agreement  satisfactory  to the Company to  indemnify  the Company from any loss
incurred by it in connection with such certificates.


                                      -19-

<PAGE>



           Upon any conversion of Series A Preferred Stock, the shares of Series
A Preferred  Stock that are  converted  shall not be  reissued  and shall not be
considered  outstanding  for any  purposes.  Upon  conversion of all of the then
outstanding  Series A Preferred Stock,  shares of Series A Preferred Stock shall
not be deemed  outstanding for any purpose  whatsoever and all such shares shall
be retired and canceled and shall not be reissued.

           On June 30, 1999,  the holders of the Series A Preferred  Stock shall
be  required to convert  all of their  outstanding  shares of Series A Preferred
Stock  into  shares of Common  Stock.  Until  converted,  the  Company  shall be
entitled to redeem  shares of Series A Preferred  Stock in  accordance  with the
Certificate of Designation,  regardless of whether or not a notice of conversion
has been received by the Company with respect to such shares.

           The Company  shall at all times when any shares of Series A Preferred
Stock shall be outstanding, reserve and keep available out of its authorized but
unissued stock, such number of shares of Common Stock as shall from time to time
be sufficient to effect the  conversion  of all  outstanding  shares of Series A
Preferred Stock.

           Redemption. At any time after September 28, 1997, the Company may, at
the option of the Board of Directors, redeem up to 50% of the outstanding shares
of the Series A Preferred Stock at the applicable  redemption  price,  provided,
that (x) the Company  shall have  received a notice of  conversion,  and (y) the
Conversion  Price is at or below $2.625.  At any time after  September 28, 1997,
the  Company  may,  at the  option of the Board of  Directors,  redeem  all or a
portion of the remaining 50% of the outstanding shares of the Series A Preferred
Stock at the applicable redemption price,  provided,  that (x) the Company shall
have  received a notice of  conversion,  and (y) the  Conversion  Price is at or
below $1.00. The Company shall give written notice by telecopy, to the holder of
Series A Preferred  Stock to be redeemed at least one business day after receipt
of the notice of  conversion  prior to the date  specified for  redemption  (the
"Redemption  Date"). Such notice shall state the Redemption Date, the Redemption
Price (as hereinafter defined), the number of shares of Series A Preferred Stock
of such  holders to be redeemed and shall call upon such holders to surrender to
the Company on the  Redemption  Date at the place  designated in the notice such
holders'  redeemed stock.  If fewer than all the outstanding  shares of Series A
Preferred Stock are to be redeemed,  the redemption  shall be pro rata among the
holders of Series A Preferred Stock and subject to such other  provisions as may
be determined by the Board of Directors.  The  Redemption  Date shall be no more
than 10 days after  receipt of written  notice from the Company.  If the Company
fails to pay the Redemption  Price on the Redemption Date, the Company shall pay
to the  holder  a  penalty  in an  amount  in cash  equal to 2%  percent  of the
Redemption Price to be paid on such Redemption Date. If the Company fails to pay
the Redemption  Price on the Redemption Date, the holder shall have the right to
convert the Series A Preferred Stock previously presented to the Company and not
redeemed.  The  Company  shall have the right to redeem  the Series A  Preferred
Stock in any subsequent redemption; provided, however, that if the Company fails
to pay the  Redemption  Price in a  subsequent  redemption  within 10 days,  the
Company shall have the right to redeem the Series A Preferred  Stock  thereafter
only upon wiring the Redemption Price to the holders simultaneously with sending
the notice of redemption. On or after the Redemption Date, the holders of shares
of  Series  A  Preferred  Stock  called  for  redemption   shall  surrender  the
certificates  evidencing  the shares called for redemption to the Company at the
place  designated  in such  notice and shall  thereupon  be  entitled to receive
payment of the Redemption Price.

           The  Company  shall have the option to redeem the Series A  Preferred
Stock at a price  determined as follows  (each, a "Redemption  Price"):  (i) any
portion of the first 25% of the  outstanding  shares of Series A Preferred Stock
at a cash price equal to 110% percent of the  Liquidation  Preference per share,
together  with all unpaid  dividends to and including  the  Redemption  Date, or
issue shares of Common Stock at a conversion rate equal to (x) $1,000 divided by
(y) 82% percent of the average closing bid price of the Common Stock as reported
on the Nasdaq  SmallCap  Market or any  successor  exchange  in which the Common
Stock is listed for the five


                                      -20-

<PAGE>



trading days preceding the Conversion  Date;  (ii) any portion of the second 25%
percent  of the  outstanding  shares of the Series A  Preferred  Stock at a cash
price equal to 120% of the Liquidation  Preference per share,  together with all
unpaid dividends to and including the Redemption Date, or issue shares of Common
Stock at a conversion rate equal to (x) $1,000 divided by (y) 82% of the average
closing bid price of the Common Stock as reported on the Nasdaq  SmallCap Market
or any  successor  exchange  in which the  Common  Stock is listed  for the five
trading  days  preceding  the  Conversion  Date;  and (iii) any  portion  of the
remaining  50% of the  outstanding  shares of Series A Preferred  Stock,  if the
Company receives a Notice of Conversion and the Conversion Price of the Series A
Preferred Stock is below $1.00, at a cash price equal to 110% of the Liquidation
Preference  per share,  together  with all accrued and unpaid  dividends  to and
including the Redemption Date; provided, however, that payment of the Redemption
Price shall be made from any funds of the Company legally available therefor.

           From and after the Redemption  Date (unless  default shall be made by
the Company in duly paying the Redemption  Price in which case all the rights of
the holders of such  shares  shall  continue),  the holders of the shares of the
Series A Preferred Stock called for redemption shall cease to have any rights as
stockholders of the Company, except the right to receive,  without interest, the
Redemption Price thereof upon surrender of certificates  representing the shares
of Series A Preferred Stock, and such shares shall not thereafter be transferred
(except  with the consent of the  Company) on the books of the Company and shall
not be deemed outstanding for any purpose whatsoever.

           There  shall be no  redemption  of any  shares of Series A  Preferred
Stock of the Company where such action would be in violation of applicable law.

           Call Option.  In the event the Company  closes on an offering for its
Common Stock at a price per share under  $6.00,  the Company may, at its option,
call all outstanding shares of Series A Preferred Stock at a call price equal to
200% of the Liquidation Preference.

           In the event the Company has an  offering  for its Common  Stock at a
price per share equal to or greater than $6.00, then the holders of the Series A
Preferred Stock shall be required to convert all outstanding  shares of Series A
Preferred  Stock into  shares of Common  Stock five  business  days prior to the
scheduled closing of such offering and each holder may, at its option,  sell its
shares of Common Stock as part of such offering.

           Voting  Rights.  Except as otherwise  required by law, the holders of
the  Series A  Preferred  Stock  shall not be  entitled  to vote upon any matter
relating to the business or affairs of the Company or for any other purpose.

           Status.  In case any  outstanding  shares of Series A Preferred Stock
shall be  redeemed,  the shares so  redeemed  shall be deemed to be  permanently
canceled and shall not resume the status of  authorized  but unissued  shares of
Series A Preferred Stock.

           Ranking;  Changes  Affecting  Series A Preferred  Stock. The Series A
Preferred   Stock  shall,   with  respect  to  dividend  rights  and  rights  on
liquidation, winding up and dissolution, (i) rank senior to any of the Company's
Common Stock and any other class or series of stock of the Company  which by its
terms shall rank junior to the Series A Preferred Stock, and (ii) rank junior to
any other class or series of stock of the Company  which by its terms shall rank
senior to the Series A Preferred Stock and (iii) rank on a pari passu basis with
the Series B  Preferred  Stock and any other  series of  Preferred  Stock of the
Company.



                                      -21-

<PAGE>



           So long as any shares of Series A  Preferred  Stock are  outstanding,
the  Company  shall  not (i)  alter or  change  any of the  powers  preferences,
privileges,  or  rights  of the  Series A  Preferred  Stock;  or (ii)  amend the
provisions of the Certificate of Designation affecting the ranking of the Series
A Preferred  Stock,  without  first  obtaining  the  approval by vote or written
consent, in the manner provided by law, of the holders of at least a majority of
the outstanding  shares of Series A Preferred Stock, as to changes affecting the
Series A Preferred Stock.

           Registration  Rights. The Company has registered the shares of Common
Stock underlying the Series A Preferred Stock in a registration  statement filed
with the Commission.

           SERIES B PREFERRED STOCK

           On November 12, 1997, the Board of Directors  authorized the issuance
of a series  of  Preferred  Stock  consisting  of 4,180  shares  (the  "Series B
Preferred  Stock"),  each such  share of Series B  Preferred  Stock has a stated
value of $1,000 (the  "Liquidation  Preference"),  pursuant to a Certificate  of
Designation  (the  "Certificate  of  Designation").  On November 12,  1997,  the
Company placed 3,180 shares of Series B Preferred Stock and on January 22, 1998,
placed the  remaining  1,000  shares.  The  Company  has  registered  a total of
3,327,663  shares of Common Stock  underlying the Series B Preferred  Stock,  of
which,  2,622,663  were  registered in a registration  statement  filed with the
Commission on January 2, 1998 and amended on January 22, 1998,  and 705,000 were
registered in a further amendment to such registration  statement filed with the
Commission  on May 8,  1998.  As of May 8, 1998,  all of the Series B  Preferred
Stock had been converted to Common Stock  resulting in the issuance of 3,172,239
shares of Common Stock.

           Dividends.  The holders of the shares of Series B Preferred Stock are
entitled to  receive,  when and as  declared  by the Board of  Directors  of the
Company,  dividends  at the  rate  of five  percent  of the  stated  Liquidation
Preference per share per annum, and no more,  payable,  at the discretion of the
Board of Directors,  in Common Stock or cash.  Dividends accrue on each share of
Series B Preferred Stock from the date of initial  issuance.  Such dividends are
in preference to any distributions on any outstanding  shares of Common Stock or
any other  equity  securities  of the Company  that are junior to the  Preferred
Stock as to the payment of dividends.

           Preferences  on  Liquidation.  In  the  event  of  any  voluntary  or
involuntary  liquidation,  dissolution or winding up of the Company, the holders
of shares of the Series B Preferred Stock then outstanding  shall be entitled to
be paid,  out of the assets of the Company  available  for  distribution  to its
stockholders,  an amount equal to the  Liquidation  Preference for each share of
Series B  Preferred  Stock  owned by such  holder,  plus all  accrued and unpaid
dividends thereon to the date of payment. If upon liquidation,  dissolution,  or
winding up of the Company,  the assets of the Company available for distribution
to its  stockholders  shall be  insufficient  to pay the holders of the Series B
Preferred  Stock  the  full  Liquidation  Preference  plus  accrued  and  unpaid
dividends  to which they  respectively  shall be  entitled,  the  holders of the
Series B  Preferred  Stock  together  with the  holders  of any other  series of
Preferred  Stock ranking on a parity with the Series B Preferred Stock as to the
payments  of amounts  upon  liquidation,  dissolution  or winding up shall share
ratably in any distribution of assets according to the respective  amounts which
would  be  payable  in  respect  of all  such  shares  held  by  the  respective
stockholders.  The  sale or  other  disposition  (for  cash,  shares  of  stock,
securities or other consideration), of all or substantially all of the assets of
the Company shall be deemed to be a  liquidation,  dissolution  or winding up of
the Company but the merger or  consolidation of the Company into or with another
corporation  or  into  or  with  the  Company,  shall  not  be  deemed  to  be a
liquidation,  winding up or dissolution of the Company.  The holders of Series B
Preferred   Stock  shall  have  no  priority  or  preference   with  respect  to
distributions made by the Company in connection with the repurchase of shares of
Common Stock issued to or held by employees, directors


                                      -22-

<PAGE>



or  consultants  upon  termination of their  employment or services  pursuant to
agreements  providing for the right of said  repurchase  between the Company and
such persons.

           Conversion Rights. The holders of Series B Preferred Stock shall have
conversion  rights as follows:  (i) no shares of Series B Preferred Stock may be
converted  prior to the earlier of (x) the  effective  date of the  Registration
Statement  covering the Shares and (y) February 10, 1998 (the "First  Conversion
Date"); (ii) during the thirty-day period after the First Conversion Date, up to
twenty-five  (25%)  percent  of the  shares of  Series B  Preferred  Stock  then
outstanding may be converted,  at the option of the holders  thereof;  and (iii)
during each  thirty-day  period  thereafter,  an  additional  twenty-five  (25%)
percent  of the  shares of Series B  Preferred  Stock  then  outstanding  may be
converted,  on a  cumulative  and pro rata  basis,  at the option of the holders
thereof.  The number of shares of fully-paid and nonassessable Common Stock into
which  each  share  of  Series  B  Preferred  Stock  may be  converted  shall be
determined  by  dividing  the  Liquidation  Preference  and at the option of the
Company,  accrued and unpaid  dividends,  by an amount (the "Conversion  Price")
equal  to the 85% of the  average  closing  bid  price  of the  Common  Stock as
reported  on the Nasdaq  SmallCap  Market or any  successor  exchange or trading
market  in which  the  Common  Stock is listed  for the five  trading  days (the
"Average Trading Price")  preceding the date on which the holder of the Series B
Preferred  Stock has  telecopied  a notice of  conversion  to the  Company  (the
"Conversion  Date").  The Conversion Price shall not be greater than 120% of the
Average  Trading  Price on the date of  issuance  or less than an initial  floor
price of 50% of the Conversion Price on the date of issuance.  Commencing thirty
days after the First  Conversion Date and at the end of each  thirty-day  period
thereafter, the initial floor price will be reduced by 10%.

           In the event the shares of Series B Preferred Stock are not converted
within  ten  business  days of  receipt  by the  Company  of a valid  notice  of
conversion, the Company shall pay to the holder, by wire transfer, as liquidated
damages  for such  failure  and not as a penalty,  an amount in cash equal to 1%
percent per day of the purchase price of the shares of Series B Preferred  Stock
to be converted which shall run from the initial  Conversion Date and the holder
has the option to withdraw the notice of conversion  previously sent;  provided,
that the Company shall not be responsible for or required to pay such liquidated
damages if such failure to convert was not caused by any actions or omissions of
the Company.

           No fractional  shares of Common Stock shall be issued upon conversion
of the Series B Preferred  Stock. In lieu of any fractional  shares to which the
holder would  otherwise be  entitled,  the Company  shall pay cash equal to such
fraction  multiplied  by the  fair  market  value  of the  Common  Stock  on the
Conversion Date, as determined by the Company's Board of Directors.  The Company
shall not be obligated  to issue  certificates  evidencing  the shares of Common
Stock issuable upon conversion  unless either the  certificates  evidencing such
shares of Series B Preferred  Stock are delivered to the Company or its transfer
agent as provided  above,  or the holder  notifies  the Company or its  transfer
agent that such certificates have been lost, stolen or destroyed and executes an
agreement  satisfactory  to the Company to  indemnify  the Company from any loss
incurred by it in connection with such certificates.

           Upon any conversion of Series B Preferred Stock, the shares of Series
B Preferred  Stock that are  converted  shall not be  reissued  and shall not be
considered  outstanding  for any  purposes.  Upon  conversion of all of the then
outstanding  Series B Preferred Stock,  shares of Series B Preferred Stock shall
not be deemed  outstanding for any purpose  whatsoever and all such shares shall
be retired and canceled and shall not be reissued.

           On November  12,  1999,  the holders of the Series B Preferred  Stock
shall be  required  to  convert  all of their  outstanding  shares  of  Series B
Preferred Stock into shares of Common Stock. Until converted, the Company


                                      -23-

<PAGE>



shall be entitled to redeem  shares of Series B  Preferred  Stock in  accordance
with the  Certificate of  Designation,  regardless of whether or not a notice of
conversion has been received by the Company with respect to such shares.

           The Company  shall at all times when any shares of Series B Preferred
Stock shall be outstanding, reserve and keep available out of its authorized but
unissued stock, such number of shares of Common Stock as shall from time to time
be sufficient to effect the  conversion  of all  outstanding  shares of Series B
Preferred Stock.

           Redemption.  At any time after the date of  issuance  of the Series B
Preferred  Stock,  the  Company  may,  at the option of the Board of  Directors,
redeem any or all of the  outstanding  shares of the Series B Preferred Stock at
the applicable redemption price, provided,  that the holder shall have the right
to convert shares of Series B Preferred  Stock which are eligible for conversion
in the first five (5) days after  receiving a notice of  redemption up to 20% of
the Series B Preferred Stock in the aggregate owned by such holder.  The Company
shall give written notice by telecopy, to the holder of Series B Preferred Stock
to be redeemed,  which notice shall specify the date for redemption,  which date
shall be no later than five (5) business days after the date on which the notice
is delivered to the holder (the  "Redemption  Date"),  the Redemption  Price (as
hereinafter  defined),  the number of shares of Series B Preferred Stock of such
holders to be  redeemed  and shall call upon such  holders to  surrender  to the
Company  on the  Redemption  Date at the place  designated  in the  notice  such
holders'  redeemed stock.  If fewer than all the outstanding  shares of Series B
Preferred Stock are to be redeemed,  the redemption  shall be pro rata among the
holders of Series B Preferred Stock and subject to such other  provisions as may
be determined by the Board of Directors.  The  Redemption  Date shall be no more
than five (5) business days after receipt of written notice from the Company. If
the  Company  fails to pay the  Redemption  Price on the  Redemption  Date,  the
Company  shall  pay to the  holder  a  penalty  in an  amount  in cash  equal to
$100,000.  If the Company fails to pay the  Redemption  Price on the  Redemption
Date,  the Company  shall have the right to redeem the Series B Preferred  Stock
thereafter only upon wiring the Redemption  Price to the holders  simultaneously
with sending the notice of  redemption.  On or after the  Redemption  Date,  the
holders  of shares of Series B  Preferred  Stock  called  for  redemption  shall
surrender the  certificates  evidencing  the shares called for redemption to the
Company at the place  designated in such notice and shall  thereupon be entitled
to receive payment of the Redemption Price.

           The  Company  shall have the option to redeem all or a portion of the
outstanding  shares of Series B  Preferred  Stock at a cash price  equal to 122%
percent  of the  Liquidation  Preference  per  share,  together  with all unpaid
dividends  to and  including  the  Redemption  Date  (the  "Redemption  Price");
provided,  however,  that payment of the Redemption Price shall be made from any
funds of the Company legally available therefor.

           From and after the Redemption  Date (unless  default shall be made by
the Company in duly paying the Redemption  Price in which case all the rights of
the holders of such  shares  shall  continue),  the holders of the shares of the
Series B Preferred Stock called for redemption shall cease to have any rights as
stockholders of the Company, except the right to receive,  without interest, the
Redemption Price thereof upon surrender of certificates  representing the shares
of Series B Preferred Stock, and such shares shall not thereafter be transferred
(except  with the consent of the  Company) on the books of the Company and shall
not be deemed outstanding for any purpose whatsoever.

           There  shall be no  redemption  of any  shares of Series B  Preferred
Stock of the Company where such action would be in violation of applicable law.

           Voting  Rights.  Except as otherwise  required by law, the holders of
the  Series B  Preferred  Stock  shall not be  entitled  to vote upon any matter
relating to the business or affairs of the Company or for any other purpose.



                                      -24-

<PAGE>



           Status.  In case any  outstanding  shares of Series B Preferred Stock
shall be  redeemed,  the shares so  redeemed  shall be deemed to be  permanently
canceled and shall not resume the status of  authorized  but unissued  shares of
Series B Preferred Stock.

           Ranking;  Changes  Affecting  Series B Preferred  Stock. The Series B
Preferred   Stock  shall,   with  respect  to  dividend  rights  and  rights  on
liquidation, winding up and dissolution, (i) rank senior to any of the Company's
Common Stock and any other class or series of stock of the Company  which by its
terms shall rank junior to the Series B Preferred Stock, and (ii) rank junior to
any other class or series of stock of the Company  which by its terms shall rank
senior to the  Series B  Preferred  Stock and (iii)  shall  rank on a pari passu
basis with the Series A Preferred  Stock and any other series of Preferred Stock
of the Company.

           So long as any shares of Series B  Preferred  Stock are  outstanding,
the  Company  shall  not (i)  alter or  change  any of the  powers  preferences,
privileges,  or  rights  of the  Series B  Preferred  Stock;  or (ii)  amend the
provisions of the Certificate of Designation affecting the ranking of the Series
B Preferred  Stock,  without  first  obtaining  the  approval by vote or written
consent, in the manner provided by law, of the holders of at least a majority of
the outstanding  shares of Series B Preferred Stock, as to changes affecting the
Series B Preferred Stock.

           Registration  Rights. The Company has registered the shares of Common
Stock underlying the Series B Preferred Stock in a registration  statement filed
with the Commission.

           Other Designations of Preferred Stock
           -------------------------------------

           As of the date of this Prospectus, the Company has not designated any
shares of Preferred Stock other than the Series A Preferred Stock and the Series
B Preferred Stock. There are no other shares of Preferred Stock outstanding, and
the Company currently has no plans to issue any other shares of Preferred Stock.


                    DELAWARE BUSINESS COMBINATION PROVISIONS

           As a Delaware  corporation,  the  Company  is subject to Section  203
("Section  203") of the Delaware  General  Corporation  Law (the "DGCL"),  which
regulates large accumulations of shares,  including those made by tender offers.
Section 203 may have the effect of significantly  delaying a purchaser's ability
to acquire  the  entire  interest  in the  Company  if such  acquisition  is not
approved by the Company's Board of Directors.  In general,  Section 203 prevents
an "Interested Stockholder" (defined generally as a person with 15% or more of a
corporation's   outstanding   voting   stock)  from   engaging  in  a  "Business
Combination"  (defined  below)  with a  Delaware  corporation  for  three  years
following the date such person became an Interested Stockholder. For purposes of
Section  203,  the term  "Business  Combination"  is defined  broadly to include
mergers  and  certain  other  transactions  with  or  caused  by the  Interested
Stockholder,  sales or other dispositions to the Interested  Stockholder (except
proportionately  with the  corporation's  other  stockholders)  of assets of the
corporation or a subsidiary  equal to 10% or more of the aggregate  market value
of the corporation's  consolidated assets or its outstanding stock; the issuance
or transfer by the  corporation  or a subsidiary of stock of the  corporation or
such  subsidiary  to the  Interested  Stockholder  (except  for  transfers  in a
conversion or exchange or a pro-rata distribution or certain other transactions,
none of which increase the Interested  Stockholder's  proportionate ownership of
any class or series of the corporation's or such subsidiary's stock); or receipt
by  the  Interested  Stockholder  (except  proportionately  as  a  stockholder),
directly or indirectly,  of any loans,  advances,  guarantees,  pledges or other
financial benefits provided by or through the corporation or a subsidiary.



                                      -25-

<PAGE>



           The three-year moratorium imposed on Business Combinations by Section
203 does not apply if: (a) prior to the date on which a  stockholder  becomes an
Interested  Stockholder,  the Company's  Board of Directors  approves either the
Business  Combination or the transaction that resulted in the person becoming an
Interested  Stockholder,   (b)  the  Interested  Stockholder  owns  85%  of  the
corporation's voting stock upon consummation of the transaction that made him or
her an Interested  Stockholder  (excluding from the 85% calculation shares owned
by  directors  who are also  officers  of the  corporation  and  shares  held by
employee  stock plans  which do not permit  employees  to decide  confidentially
whether  to accept a tender or  exchange  offer);  or (c) on or after the date a
person  becomes an  Interested  Stockholder,  the  Company's  Board of Directors
approves  the Business  Combination,  and it is also  approved at a  stockholder
meeting  by  two-thirds  of  the  voting  stock  not  owned  by  the  Interested
Stockholder.

           Under Section 203, the restrictions  described above do not apply if,
among other things,  the  corporation's  original  certificate of  incorporation
contains a provision  electing not to be governed by Section 203. The  Company's
Certificate of Incorporation does not contain such a provision. The restrictions
described above also do not apply to certain Business  Combinations  proposed by
an Interested  Stockholder  following the announcement or notification of one of
certain  extraordinary  transactions  involving the corporation and a person who
had not been an Interested  Stockholder  during the previous  three years or who
became  an  Interested  Stockholder  with  the  approval  of a  majority  of the
corporation's directors.

                              PLAN OF DISTRIBUTION

           The  distribution  of the Shares by the Selling  Stockholders  may be
effected from time to time in one or more transactions  (which may involve block
transactions),  in special offerings,  exchange  distributions  and/or secondary
distributions,  in  negotiated  transactions,  in  settlement  of short sales of
Shares, or a combination or such methods of sale, at market prices prevailing at
the time of sale,  at prices  related  to such  prevailing  market  prices or at
negotiated prices. Such transactions may be effected on a stock exchange, on the
over-the-counter  market or privately.  The Selling Stockholders may effect such
transactions  by  selling  the  Shares to or  through  broker-dealers,  and such
broker-dealers may receive  compensation in the form of underwriting  discounts,
concessions or commissions  from the Selling  Stockholders for whom they may act
as agent (which compensation may be in excess of customary commissions). Without
limiting the  foregoing,  such brokers may act as dealers by purchasing  any and
all of the Shares covered by this  Prospectus  either as agents for others or as
principals for their own accounts and reselling such securities pursuant to this
Prospectus.  The Selling  Stockholders and any  broker-dealers  or other persons
acting on the behalf of parties that participate with such Selling  Stockholders
in the  distribution  of the  Shares  may be deemed to be  underwriters  and any
commissions  received or profit realized by them on the resale of the Shares may
be deemed to be underwriting discounts and commissions under the Securities Act.
As of the date of this  Prospectus,  the Company is not aware of any  agreement,
arrangement  or  understanding  between  any  broker or dealer  and the  Selling
Stockholders  with  respect to the offer or sale of the Shares  pursuant to this
Prospectus.

           At the time that any  particular  offering of Shares is made,  to the
extent  required  by  the  Securities  Act,  a  prospectus  supplement  will  be
distributed,  setting forth the terms of the  offering,  including the aggregate
number of  Shares  being  offered,  the names of any  underwriters,  dealers  or
agents,  any discounts,  commissions and other items  constituting  compensation
from the Selling  Stockholders  and any  discounts,  commissions  or concessions
allowed or reallowed or paid to dealers.

           Each of the  Selling  Stockholders  may from time to time  pledge the
Shares  owned  by it to  secure  margin  or  other  loans  made to such  Selling
Stockholder. Thus, the person or entity receiving the pledge of any of the


                                      -26-

<PAGE>



Shares may sell them, in a foreclosure sale or otherwise,  in the same manner as
described above for such Selling Stockholder.

           The Company will not receive any of the proceeds from any sale of the
Shares by the Selling Stockholders offered hereby.

           Pursuant to the Registration  Rights Agreements,  the Company and the
Selling  Stockholders  have  agreed to  indemnify  each  other  against  certain
liabilities,  including  liabilities under the Securities Act. The Company shall
bear  customary  expenses  incident  to the  registration  of the Shares for the
benefit of the Selling  Stockholders in accordance with such  agreements,  other
than underwriting discounts and commissions directly attributable to the sale of
such securities by or on behalf of the Selling Stockholders.

           The Company has agreed to maintain  the  Registration  Statement,  of
which this  Prospectus  is a part,  effective  until the earlier of (i) the date
that all of the Shares  registered under such  Registration  Statement have been
sold; (ii) the date the holders of the Shares receive an opinion of counsel that
all of the Shares may be sold under the provisions of Rule 144 or (iii) five and
one-half years after the completion of the Private Placement.


                 INDEMNIFICATION FOR SECURITIES ACT LIABILITIES

           Section  145 of the DGCL  provides,  in general,  that a  corporation
incorporated  under the laws of the State of Delaware,  such as the  registrant,
may  indemnify  any person who was or is a party or is  threatened  to be made a
party to any threatened,  pending or completed action, suit or proceeding (other
than a derivative action by or in the right of the corporation) by reason of the
fact that such  person is or was a director,  officer,  employee or agent of the
corporation,  or is or was  serving  at the  request  of  the  corporation  as a
director,  officer,  employee or agent of another  enterprise,  against expenses
(including  attorneys'  fees),  judgments,  fines and amounts paid in settlement
actually and reasonably  incurred by such person in connection with such action,
suit or  proceeding  if such  person  acted in good  faith and in a manner  such
person reasonably  believed to be in or not opposed to the best interests of the
corporation,  and,  with respect to any criminal  action or  proceeding,  had no
reasonable cause to believe such person's conduct was unlawful. In the case of a
derivative action, a Delaware  corporation may indemnify any such person against
expenses  (including  attorneys' fees) actually and reasonably  incurred by such
person in  connection  with the defense or  settlement of such action or suit if
such person acted in good faith and in a manner such person reasonably  believed
to be in or not opposed to the best interests of the corporation, except that no
indemnification  shall be made in respect  of any  claim,  issue or matter as to
which such  person  shall  have been  adjudged  to be liable to the  corporation
unless  and only to the  extent  that  the  Court of  Chancery  of the  State of
Delaware or any other court in which such  action was  brought  determines  such
person is fairly and reasonably entitled to indemnity for such expenses.

           The Company's  Certificate of  Incorporation  provides that directors
shall not be  personally  liable  for  monetary  damages  to the  Company or its
stockholders  for breach of fiduciary  duty as a director,  except for liability
resulting from a breach of the director's  duty of loyalty to the Company or its
stockholders,  intentional  misconduct  or wilful  violation of law,  actions or
inactions not in good faith, an unlawful stock purchase or payment of a dividend
under Delaware law, or  transactions  from which the director  derives  improper
personal benefit.  Such limitation of liability does not affect the availability
of equitable  remedies such as injunctive  relief or  rescission.  The Company's
Certificate  of  Incorporation  also  authorizes  the Company to  indemnify  its
officers, directors and other agents, by bylaws, agreements or otherwise, to the
fullest  extent  permitted  under  Delaware law. The Company has entered into an
Indemnification  Agreement (the  "Indemnification  Agreement")  with each of its
directors  and officers  which may, in some cases,  be broader than the specific
indemnification provisions


                                      -27-

<PAGE>



contained  in  the  Company's  Certificate  of  Incorporation  or  as  otherwise
permitted  under  Delaware law. Each  Indemnification  Agreement may require the
Company,  among other things,  to indemnify such officers and directors  against
certain  liabilities  that may arise by reason of their  status or  service as a
director or officer,  against  liabilities  arising from willful misconduct of a
culpable nature, and to obtain directors' and officers'  liability  insurance if
available on reasonable terms.

           Pursuant to the Registration  Rights  Agreement,  the Company and the
Selling  Stockholders  have  agreed to  indemnify  each  other  against  certain
liabilities, including liabilities under the Securities Act.

           The Company maintains a directors and officers  liability policy with
Genesis  Insurance  Company that contains a limit of liability of $3,000,000 per
policy year.

           Insofar  as  indemnification   for  liabilities   arising  under  the
Securities Act may be permitted to directors,  officers and controlling  persons
of the small business issuer pursuant to the foregoing provisions, or otherwise,
the small business issuer 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.

                                  LEGAL MATTERS

           The validity of the securities offered hereby will be passed upon for
the Company by Parker Chapin Flattau & Klimpl,  LLP, New York, New York.  Martin
Eric  Weisberg,  Esq., a member of the firm,  is a Director and the Secretary of
the Company.

                                     EXPERTS

           The consolidated  balance sheets as of December 31, 1997 and 1996 and
the related consolidated statements of operations, stockholders' equity and cash
flows for the years then ended,  incorporated  by reference in this  Prospectus,
have been  incorporated  herein in reliance on the report  dated March 31, 1998,
which includes an  explanatory  paragraph,  concerning the Company's  ability to
continue  as  a  going  concern,  of  Coopers  &  Lybrand  L.L.P.,   independent
accountants, given on their authority as experts in accounting and auditing.



                                      -28-

<PAGE>




================================================================================

      NO DEALER, SALESPERSON OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY  REPRESENTATION NOT CONTAINED IN THIS PROSPECTUS WITH
RESPECT TO THE OFFERING  MADE HEREBY.  THIS  PROSPECTUS  DOES NOT  CONSTITUTE AN
OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY ANY OF THE SECURITIES OFFERED
HEREBY TO ANY  PERSON OR BY ANYONE IN ANY  JURISDICTION  IN WHICH  SUCH OFFER OR
SOLICITATION  MAY NOT LAWFULLY BE MADE.  NEITHER THE DELIVERY OF THIS PROSPECTUS
NOR  ANY  SALE  MADE  HEREUNDER  SHALL,  UNDER  ANY  CIRCUMSTANCES,  CREATE  ANY
IMPLICATION THAT THERE HAS BEEN NO CHANGE IN THE INFORMATION SET FORTH HEREIN OR
IN THE BUSINESS OF THE COMPANY SINCE THE DATE HEREOF.



                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----

Available Information.........................................................2
Incorporation of Certain Documents
     by Reference.............................................................2
Prospectus Summary............................................................3
Risk Factors..................................................................4
Use of Proceeds..............................................................14
Selling Stockholders ........................................................14
Description of Securities....................................................15
Delaware Business Combination
     Provisions..............................................................24
Plan of Distribution ........................................................25
Indemnification for Securities Act Liabilities...............................26
Legal Matters................................................................27
Experts .....................................................................27



================================================================================









                        2,340,938 SHARES OF COMMON STOCK












                                   ----------
                                   PROSPECTUS
                                   ----------







                                     , 1998














<PAGE>



                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

           The  following  table sets forth the various  expenses  which will be
paid by the Company in  connection  with the  issuance and  distribution  of the
securities  being  registered  on  this  Registration  Statement.   The  Selling
Stockholders  will not incur any of the expenses  set forth  below.  All amounts
shown are estimates.

       Filing fee for registration statement ...........  $  2,212.01
       Legal fees and expenses .........................  $ 25,000.00
       Miscellaneous expenses ..........................  $  1,000.00
                                                          -----------
            Total ......................................  $ 28,212.01
                                                          ===========

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

           Section 145 of the General  Corporation  Law of the State of Delaware
(the "DGCL") provides,  in general,  that a corporation  incorporated  under the
laws of the State of Delaware, such as the registrant,  may indemnify any person
who was or is a party or is  threatened  to be made a party  to any  threatened,
pending or completed action,  suit or proceeding (other than a derivative action
by or in the right of the corporation) by reason of the fact that such person is
or was a director,  officer, employee or agent of the corporation,  or is or was
serving at the request of the  corporation as a director,  officer,  employee or
agent of another  enterprise,  against  expenses  (including  attorneys'  fees),
judgments, fines and amounts paid in settlement actually and reasonably incurred
by such person in connection with such action, suit or proceeding if such person
acted in good faith and in a manner such person reasonably  believed to be in or
not opposed to the best interests of the  corporation,  and, with respect to any
criminal action or proceeding,  had no reasonable cause to believe such person's
conduct was unlawful. In the case of a derivative action, a Delaware corporation
may indemnify  any such person  against  expenses  (including  attorneys'  fees)
actually and reasonably  incurred by such person in connection  with the defense
or settlement of such action or suit if such person acted in good faith and in a
manner  such  person  reasonably  believed  to be in or not  opposed to the best
interests of the corporation,  except that no  indemnification  shall be made in
respect of any claim,  issue or matter as to which such  person  shall have been
adjudged to be liable to the corporation  unless and only to the extent that the
Court of  Chancery  of the State of  Delaware  or any other  court in which such
action was brought  determines such person is fairly and reasonably  entitled to
indemnity for such expenses.

           The Company's  Certificate of  Incorporation  provides that directors
shall not be  personally  liable  for  monetary  damages  to the  Company or its
stockholders  for breach of fiduciary  duty as a director,  except for liability
resulting from a breach of the director's  duty of loyalty to the Company or its
stockholders,  intentional  misconduct  or wilful  violation of law,  actions or
inactions not in good faith, an unlawful stock purchase or payment of a dividend
under Delaware law, or  transactions  from which the director  derives  improper
personal benefit.  Such limitation of liability does not affect the availability
of equitable  remedies such as injunctive  relief or  rescission.  The Company's
Certificate  of  Incorporation  also  authorizes  the Company to  indemnify  its
officers, directors and other agents, by bylaws, agreements or otherwise, to the
fullest  extent  permitted  under  Delaware law. The Company has entered into an
Indemnification  Agreement (the  "Indemnification  Agreement")  with each of its
directors  and officers  which may, in some cases,  be broader than the specific
indemnification   provisions   contained  in  the   Company's   Certificate   of
Incorporation or as otherwise permitted under Delaware law. Each


                                     II-1

<PAGE>



Indemnification  Agreement  may require the  Company,  among  other  things,  to
indemnify such officers and directors against certain liabilities that may arise
by  reason  of their  status  or  service  as a  director  or  officer,  against
liabilities  arising from willful misconduct of a culpable nature, and to obtain
directors' and officers' liability insurance if available on reasonable terms.

           The Company maintains a directors and officers  liability policy with
Genesis  Insurance  Company that contains a limit of liability of $3,000,000 per
policy year.

ITEM 16.  EXHIBITS.

NUMBER      DESCRIPTION OF EXHIBIT

4.1*        Form of Private Equity Line Credit Agreement
4.2*        Form of Warrant A
4.3*        Form of Warrant B
5.1*        Opinion of Parker Chapin Flattau & Klimpl, LLP.
10.1*       Form of Registration Rights Agreement
10.2*       Form of Escrow Agreement
23.1        Consent of Coopers & Lybrand L.L.P.
23.2*       Consent of Parker Chapin Flattau & Klimpl, LLP (included in their
            opinion filed as Exhibit 5.1).
24.1*       Power of Attorney (included on page II-4).

*   Previously filed with the original filing of this Registration  Statement on
    Form S-3 filed with the Commission on May 13, 1998.

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 of 1933;

                  (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 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.



                                      II-2

<PAGE>



                  (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 of 1933, 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.

            (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 small  business  issuer  pursuant  to the  foregoing
provisions, or otherwise, the small business issuer 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 small  business  issuer of expenses
incurred  or paid by a  director,  officer  or  controlling  person of the small
business issuer in the successful defense of any action,  suit or proceeding) is
asserted by such director,  officer or controlling person in connection with the
securities  being  registered,  the small  business  issuer 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 the issue.

            The undersigned  small business issuer 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 bona fide offering thereof.



                                      II-3

<PAGE>



                                   SIGNATURES

           Pursuant  to the  requirements  of the  Securities  Act of 1933,  the
registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this registration
statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized, in the City of Fairfax, Commonwealth of Virginia on May 21, 1998.


                                             XYBERNAUT CORPORATION


                                             By:  /s/ Edward G. Newman
                                                --------------------------------
                                                Edward G. Newman
                                                Chairman of the Board, President
                                                and Chief Executive Officer


            Pursuant to the  requirements  of the Securities  Act of 1933,  this
registration  statement  on Form S-3 has  been  signed  below  by the  following
persons in the capacities and on the date indicated.


   SIGNATURE                             TITLE                         DATE
   ---------                             -----                         ----

/s/ Edward G. Newman               Chairman of the Board,           May 21, 1998
- ---------------------------        President and Chief Executive
Edward G. Newman                   Officer

*                                  Senior Vice President, Chief     May 21, 1998
- ---------------------------        financial Officer, Treasurer and
John F. Moynahan                   Director

*                                  Secretary and Director           May 21, 1998
- ---------------------------
Martin Eric Weisberg

*                                  Director                         May 21, 1998
- ---------------------------
Lt. Gen. Harry E. Soyster

*                                  Director                         May 21, 1998
- ---------------------------
James J. Ralabate

*                                  Director                         May 21, 1998
- ---------------------------
Keith P. Hicks




                                     II - 4

<PAGE>


   SIGNATURE                             TITLE                         DATE
   ---------                             -----                         ----

*                                  Director                         May 21, 1998
- ---------------------------
Steven A. Newman

*                                  Director                         May 21, 1998
- ---------------------------
Phillip E. Pearce

*                                  Director                         May 21, 1998
- ---------------------------
Eugene J. Amobi


*By:     /s/ Edward G. Newman
     -------------------------
        Edward G. Newman
        Attorney-in-fact



<PAGE>


                                 SECURITIES AND
                                    EXCHANGE
                                   COMMISSION

                             WASHINGTON, D.C. 20549


                                  -------------




                                    EXHIBITS
                                       TO
                                 AMENDMENT NO. 1
                                       TO
                                    FORM S-3

                             REGISTRATION STATEMENT

                                      UNDER

                           THE SECURITIES ACT OF 1933


                                  -------------







                              XYBERNAUT CORPORATION
                       (EXACT NAME OF ISSUER AS SPECIFIED
                                 IN ITS CHARTER)



                                  MAY 21, 1998



<PAGE>



                                  EXHIBIT INDEX
                                  -------------


EXHIBIT NO.      DESCRIPTION OF DOCUMENT                           PAGE NO./REF.
- -----------      -----------------------                           -------------

4.1*             Form of Private Equity Line Credit Agreement
4.2*             Form of Warrant A
4.3*             Form of Warrant B
5.1*             Opinion of Parker Chapin Flattau & Klimpl, LLP.
10.1*            Form of Registration Rights Agreement
10.2*            Form of Escrow Agreement
23.1             Consent of Coopers & Lybrand L.L.P.
23.2*            Consent of Parker Chapin Flattau & Klimpl, LLP
                 (included in their opinion filed as Exhibit 5.1).
24.1*            Power of Attorney (see page II-4 to the Registration
                 Statement).

*     Included in the original filing of the Registration  Statement on Form S-3
      filed with the Commission on May 13, 1998.









                       CONSENT OF INDEPENDENT ACCOUNTANTS



           We  consent  to  the  inclusion  in  this  Amendment  No.  1  to  the
Registration  Statement on Form S-3 of our report, which includes an explanatory
paragraph concerning the Company's ability to continue as a going concern, dated
March  31,  1998  on  our  audits  of  the  financial  statements  of  Xybernaut
Corporation.  We also  consent to the  reference  to our firm under the  caption
"Experts".

                                                 /s/ Coopers & Lybrand L.L.P.
                                                 
                                                 ------------------------
                                                 Coopers & Lybrand L.L.P.





McLean, VA

May 21, 1998






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