<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)