<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, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 1998
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                         879,014
<SECURITIES>                                 1,276,367
<RECEIVABLES>                                3,464,911
<ALLOWANCES>                                   258,399
<INVENTORY>                                  4,097,552
<CURRENT-ASSETS>                            12,283,734
<PP&E>                                      11,852,858
<DEPRECIATION>                             (7,388,051)
<TOTAL-ASSETS>                              21,977,046
<CURRENT-LIABILITIES>                        3,665,883
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        72,530
<OTHER-SE>                                  16,400,272
<TOTAL-LIABILITY-AND-EQUITY>                21,977,046
<SALES>                                     13,745,478
<TOTAL-REVENUES>                            13,745,478
<CGS>                                        6,842,157
<TOTAL-COSTS>                                6,842,157
<OTHER-EXPENSES>                             8,267,367
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             131,738
<INCOME-PRETAX>                            (1,393,043)
<INCOME-TAX>                                 (539,636)
<INCOME-CONTINUING>                          (853,407)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (853,407)
<EPS-PRIMARY>                                   (0.12)
<EPS-DILUTED>                                   (0.12)