<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> US DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> JUN-30-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <EXCHANGE-RATE> 1 <CASH> 1,973,252 <SECURITIES> 285,863 <RECEIVABLES> 617,613 <ALLOWANCES> 6,677 <INVENTORY> 857,356 <CURRENT-ASSETS> 38,249 <PP&E> 1,761,074 <DEPRECIATION> 1,624,388 <TOTAL-ASSETS> 9,910,871 <CURRENT-LIABILITIES> 784,366 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 44,645,440 <OTHER-SE> (35,518,935) <TOTAL-LIABILITY-AND-EQUITY> 9,910,871 <SALES> 1,368,192 <TOTAL-REVENUES> 1,368,192 <CGS> 672,830 <TOTAL-COSTS> 672,830 <OTHER-EXPENSES> 1,154,419 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 319 <INCOME-PRETAX> (429,632) <INCOME-TAX> 0 <INCOME-CONTINUING> (429,632) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (429,632) <EPS-PRIMARY> (0.04) <EPS-DILUTED> 0