<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE NINE MONTHS ENDED
SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10
FOR THE QUARTER ENDED SEPTEMBER 30, 1997
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                         662,565
<SECURITIES>                                 2,009,006
<RECEIVABLES>                                3,133,934
<ALLOWANCES>                                    76,934
<INVENTORY>                                  4,306,588
<CURRENT-ASSETS>                            11,980,546
<PP&E>                                      12,543,636
<DEPRECIATION>                               7,397,883
<TOTAL-ASSETS>                              22,538,136
<CURRENT-LIABILITIES>                        3,109,831
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        71,219
<OTHER-SE>                                  17,198,659
<TOTAL-LIABILITY-AND-EQUITY>                22,538,136
<SALES>                                     14,126,566
<TOTAL-REVENUES>                            14,126,566
<CGS>                                        6,484,235
<TOTAL-COSTS>                                6,484,235
<OTHER-EXPENSES>                            11,951,434
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (4,158,493)
<INCOME-TAX>                                 (349,818)
<INCOME-CONTINUING>                        (3,808,675)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (3,808,675)
<EPS-PRIMARY>                                   (0.53)
<EPS-DILUTED>                                   (0.53)