<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-END> SEP-30-1998 <CASH> 4,195,647 <SECURITIES> 0 <RECEIVABLES> 147,991 <ALLOWANCES> 0 <INVENTORY> 210,393 <CURRENT-ASSETS> 4,586,057 <PP&E> 6,308,941 <DEPRECIATION> 3,685,536 <TOTAL-ASSETS> 8,235,670 <CURRENT-LIABILITIES> 345,475 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 85,123 <OTHER-SE> 4,636,367 <TOTAL-LIABILITY-AND-EQUITY> 8,235,670 <SALES> 494,994 <TOTAL-REVENUES> 494,994 <CGS> 1,073,811 <TOTAL-COSTS> 1,073,811 <OTHER-EXPENSES> 604,674 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (80,821) <INCOME-PRETAX> (1,137,873) <INCOME-TAX> 500 <INCOME-CONTINUING> (1,138,373) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (1,138,373) <EPS-PRIMARY> (.13) <EPS-DILUTED> (.13)