<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-1998 <PERIOD-START> JUL-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 12,853,349 <SECURITIES> 9,775,235 <RECEIVABLES> 5,045,613 <ALLOWANCES> 430,991 <INVENTORY> 5,758,034 <CURRENT-ASSETS> 1,778,359 <PP&E> 3,786,579 <DEPRECIATION> 2,488,659 <TOTAL-ASSETS> 51,088,800 <CURRENT-LIABILITIES> 9,069,893 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 74,799,782 <OTHER-SE> 3,979,255 <TOTAL-LIABILITY-AND-EQUITY> 51,088,800 <SALES> 5,157,214 <TOTAL-REVENUES> 5,157,214 <CGS> 3,085,443 <TOTAL-COSTS> 13,551,050 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 501,522 <INCOME-PRETAX> (12,670,265) <INCOME-TAX> 0 <INCOME-CONTINUING> (12,670,265) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (12,670,265) <EPS-PRIMARY> (1.30) <EPS-DILUTED> 0