<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE SHEETS AS OF SEPTEMBER 30, 1996, AND STATEMENTS OF OPERATIONS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 5,096,515 <SECURITIES> 1,550,125 <RECEIVABLES> 5,026,422 <ALLOWANCES> (97,422) <INVENTORY> 3,952,428 <CURRENT-ASSETS> 16,183,431 <PP&E> 19,274,235 <DEPRECIATION> (6,886,479) <TOTAL-ASSETS> 29,159,311 <CURRENT-LIABILITIES> 3,785,192 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 90,065 <OTHER-SE> 24,854,602 <TOTAL-LIABILITY-AND-EQUITY> 29,159,311 <SALES> 30,050,405 <TOTAL-REVENUES> 30,050,405 <CGS> 15,460,465 <TOTAL-COSTS> 5,544,903 <OTHER-EXPENSES> (1,281,542) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (332,602) <INCOME-PRETAX> 10,659,181 <INCOME-TAX> 3,814,391 <INCOME-CONTINUING> 6,844,790 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,844,790 <EPS-PRIMARY> 0.71 <EPS-DILUTED> 0.71