<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE QUARTER ENDED JUNE 30, 1995. </LEGEND> <MULTIPLIER> 1 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-START> JAN-01-1995 <PERIOD-END> JUN-30-1995 <EXCHANGE-RATE> 1 <CASH> 4,000,081 <SECURITIES> 2,117,097 <RECEIVABLES> 4,494,930 <ALLOWANCES> 144,550 <INVENTORY> 6,726,162 <CURRENT-ASSETS> 18,443,724 <PP&E> 12,180,190 <DEPRECIATION> 6,498,601 <TOTAL-ASSETS> 30,647,077 <CURRENT-LIABILITIES> 2,903,144 <BONDS> 0 <COMMON> 82,982 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 27,660,951 <TOTAL-LIABILITY-AND-EQUITY> 30,647,077 <SALES> 13,257,327 <TOTAL-REVENUES> 13,257,327 <CGS> 5,825,004 <TOTAL-COSTS> 5,825,004 <OTHER-EXPENSES> 5,832,153 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1,868,581 <INCOME-TAX> 746,976 <INCOME-CONTINUING> 1,121,605 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,121,605 <EPS-PRIMARY> 0.14 <EPS-DILUTED> 0.14