<PAGE>   1

                                                Filed pursuant to rule 424(b)(3)
                                                Reg no. 333-23039
                                                               
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        
                                                                        


<TABLE>
<CAPTION>
<S>                                                        <C>       <C>        <C>
Theodore Meisel                                               4,000      6,000     8,000 
Global Bermuda, L.P.                                         57,800     86,700   115,600 
Lakeshore International, L.P.                                10,000     15,000    20,000 
Nicollett Fund L.P.                                          23,500     35,250    47,000 
Ronald H. Means                                               4,000      6,000     8,000 
Silverton International Fund, Ltd.                           90,750    136,125   181,500 
Steven A. Amos                                               10,000     15,000    20,000 
Belmundo Investments Pension Fund of the Dutch Reformed      50,000     75,000   100,000 
                                                            -------    -------   ------- 
Total                                                       482,050    723,075   964,100 
                                                            =======    =======   ======= 
</TABLE>
- ----------------------------- 
(1)  Includes the maximum number of Common Shares which may be issued upon
     exercise of each Warrant as of the dates indicated. See "Description of
     Securities-Warrants." The Selling Security Holders may now or in the future
     also beneficially own additional Common Shares issued or issuable pursuant
     to conversions of the Company's Series A and Series B Preferred Shares.
     Such additional Common Shares also may be sold pursuant to a separate
     presently effective Prospectus dated October 15, 1996. Accordingly, the
     total amount and percentage of Common Shares which may be beneficially
     owned by such Selling Security Holders prior to and after completion of
     this Offering presently are not determinable.

 

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