<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONDENSED CONSOLIDATED BALANCE SHEETS AT JUNE 30, 1999 AND 1998 (UNAUDITED) AND THE CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND CASH FLOWS FOR THE SIX MONTHS ENDED JUNE 30, 1999 AND 1998 (UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> JUN-30-1999 <CASH> 7,778,572 <SECURITIES> 0 <RECEIVABLES> 8,580,665 <ALLOWANCES> 171,424 <INVENTORY> 3,519,104 <CURRENT-ASSETS> 21,079,778 <PP&E> 16,754,529 <DEPRECIATION> 8,917,953 <TOTAL-ASSETS> 45,374,754 <CURRENT-LIABILITIES> 7,299,209 <BONDS> 0 <PREFERRED-MANDATORY> 35,494 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 37,005,337 <TOTAL-LIABILITY-AND-EQUITY> 45,374,754 <SALES> 35,245,232 <TOTAL-REVENUES> 35,245,232 <CGS> 20,241,797 <TOTAL-COSTS> 10,479,223 <OTHER-EXPENSES> 23,972 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (119,985) <INCOME-PRETAX> 4,620,225 <INCOME-TAX> 1,857,331 <INCOME-CONTINUING> 2,762,894 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,762,894 <EPS-BASIC> .78 <EPS-DILUTED> .78