<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEC FORM
10-K AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                       5,895,008
<SECURITIES>                                 5,326,647
<RECEIVABLES>                                1,939,200
<ALLOWANCES>                                    22,187
<INVENTORY>                                  2,272,798
<CURRENT-ASSETS>                            10,113,976
<PP&E>                                       7,367,000
<DEPRECIATION>                               2,653,000
<TOTAL-ASSETS>                              24,905,995
<CURRENT-LIABILITIES>                        3,039,118
<BONDS>                                      2,000,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         7,986
<OTHER-SE>                                  19,240,409
<TOTAL-LIABILITY-AND-EQUITY>                24,905,995
<SALES>                                        878,068
<TOTAL-REVENUES>                             2,378,287
<CGS>                                          353,764
<TOTAL-COSTS>                                  353,764
<OTHER-EXPENSES>                             9,050,113
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             293,048
<INCOME-PRETAX>                             (6,783,103)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                         (6,783,103)
<DISCONTINUED>                                 730,111
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                (6,052,992)
<EPS-PRIMARY>                                     (.82)
<EPS-DILUTED>                                     (.82)