<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 64,236,214 <SECURITIES> 0 <RECEIVABLES> 22,031,902 <ALLOWANCES> 167,586 <INVENTORY> 7,485,157 <CURRENT-ASSETS> 95,061,318 <PP&E> 10,404,438 <DEPRECIATION> 3,158,305 <TOTAL-ASSETS> 131,235,363 <CURRENT-LIABILITIES> 28,242,294 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 10,665 <OTHER-SE> 102,964,949 <TOTAL-LIABILITY-AND-EQUITY> 131,235,363 <SALES> 60,941,501 <TOTAL-REVENUES> 60,941,501 <CGS> 35,528,848 <TOTAL-COSTS> 8,020,425 <OTHER-EXPENSES> (132,466) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 169,727 <INCOME-PRETAX> 7,329,189 <INCOME-TAX> 1,969,055 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,360,134 <EPS-BASIC> .66 <EPS-DILUTED> .58