<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> SEP-30-2000 <PERIOD-START> OCT-01-1999 <PERIOD-END> MAR-31-2000 <CASH> 20,632,785 <SECURITIES> 27,678,595 <RECEIVABLES> 20,928,993 <ALLOWANCES> 0 <INVENTORY> 24,886,269 <CURRENT-ASSETS> 99,363,635 <PP&E> 52,838,102 <DEPRECIATION> (24,374,754) <TOTAL-ASSETS> 156,161,452 <CURRENT-LIABILITIES> 32,658,237 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 163,099 <OTHER-SE> 115,201,577 <TOTAL-LIABILITY-AND-EQUITY> 156,161,452 <SALES> 65,939,970 <TOTAL-REVENUES> 65,939,970 <CGS> 31,491,787 <TOTAL-COSTS> 57,378,984 <OTHER-EXPENSES> (9,150,545) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (13,780,256) <INCOME-TAX> (1,515,827) <INCOME-CONTINUING> (12,264,429) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (12,264,429) <EPS-BASIC> (0.82) <EPS-DILUTED> (0.82)