<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 5,777,048 <SECURITIES> 0 <RECEIVABLES> 3,751,119 <ALLOWANCES> 361,540 <INVENTORY> 4,560,927 <CURRENT-ASSETS> 14,346,844 <PP&E> 5,496,858 <DEPRECIATION> 2,302,962 <TOTAL-ASSETS> 20,098,647 <CURRENT-LIABILITIES> 3,268,202 <BONDS> 34,055 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 15,396,125 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 20,098,647 <SALES> 4,543,912 <TOTAL-REVENUES> 8,858,003 <CGS> 2,327,084 <TOTAL-COSTS> 8,515,591 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 539,082 <INCOME-TAX> 215,634 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 323,448 <EPS-PRIMARY> .07 <EPS-DILUTED> .07