<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR THE PERIOD ENDED SEPTEMBER 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FORM 10-Q.
</LEGEND>
<RESTATED> 
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                       6,195,526
<SECURITIES>                                 5,906,341
<RECEIVABLES>                                2,687,381
<ALLOWANCES>                                         0
<INVENTORY>                                    508,449
<CURRENT-ASSETS>                            15,463,846
<PP&E>                                       7,282,267
<DEPRECIATION>                              (2,483,102)
<TOTAL-ASSETS>                              24,474,638
<CURRENT-LIABILITIES>                        3,400,520
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         7,978
<OTHER-SE>                                  20,397,312
<TOTAL-LIABILITY-AND-EQUITY>                24,474,638
<SALES>                                        704,657
<TOTAL-REVENUES>                             1,915,553
<CGS>                                          279,212
<TOTAL-COSTS>                                  279,212
<OTHER-EXPENSES>                             6,608,283
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             (4,779,801)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                         (4,779,801)
<DISCONTINUED>                                 545,138
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                (4,234,663)
<EPS-PRIMARY>                                     (.57)
<EPS-DILUTED>                                     (.57)