<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED FINANCIAL STATEMENTS OF THE COMPANY AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <RESTATED> <PERIOD-TYPE> YEAR YEAR <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1996 <PERIOD-START> JAN-01-1997 JAN-01-1996 <PERIOD-END> DEC-31-1997 DEC-31-1996 <CASH> 7,701,507 6,042,593 <SECURITIES> 0 0 <RECEIVABLES> 11,944,054 9,233,616 <ALLOWANCES> 215,823 143,000 <INVENTORY> 17,445,632 11,901,123 <CURRENT-ASSETS> 38,110,297 27,639,059 <PP&E> 10,796,836 6,502,974 <DEPRECIATION> 3,396,846 2,639,165 <TOTAL-ASSETS> 46,752,498 32,462,220 <CURRENT-LIABILITIES> 10,707,393 7,896,606 <BONDS> 171,761 150,195 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 90,324 85,698 <OTHER-SE> 35,532,705 23,943,249 <TOTAL-LIABILITY-AND-EQUITY> 46,752,498 32,462,220 <SALES> 70,205,111 51,753,864 <TOTAL-REVENUES> 70,205,111 51,753,864 <CGS> 49,480,113 36,396,527 <TOTAL-COSTS> 49,480,113 36,396,527 <OTHER-EXPENSES> 8,983,524 6,983,458 <LOSS-PROVISION> 187,110 63,995 <INTEREST-EXPENSE> 31,902 363,508 <INCOME-PRETAX> 11,808,394 7,946,376 <INCOME-TAX> 4,099,055 2,909,683 <INCOME-CONTINUING> 7,709,339 5,036,693 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 7,709,339 5,036,693 <EPS-PRIMARY> $0.88 $0.68 <EPS-DILUTED> $0.82 $0.63