<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM AUDITED
CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE TWELVE MONTHS
ENDED DECEMBER 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 1997.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                         814,908
<SECURITIES>                                 1,490,192
<RECEIVABLES>                                3,433,541
<ALLOWANCES>                                   120,684
<INVENTORY>                                  3,772,777
<CURRENT-ASSETS>                            11,679,405
<PP&E>                                      12,602,155
<DEPRECIATION>                               7,358,809
<TOTAL-ASSETS>                              22,300,896
<CURRENT-LIABILITIES>                        3,246,676
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        71,570
<OTHER-SE>                                  16,742,410
<TOTAL-LIABILITY-AND-EQUITY>                22,300,896
<SALES>                                     19,288,537
<TOTAL-REVENUES>                            19,288,537
<CGS>                                        9,286,564
<TOTAL-COSTS>                                9,286,564
<OTHER-EXPENSES>                            15,075,377
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              85,796
<INCOME-PRETAX>                            (4,938,651)
<INCOME-TAX>                                 (685,000)
<INCOME-CONTINUING>                        (4,253,651)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (4,253,651)
<EPS-PRIMARY>                                   (0.60)
<EPS-DILUTED>                                   (0.60)