<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 6-MOS <FISCAL-YEAR-END> APR-30-2000 APR-30-2000 <PERIOD-START> AUG-01-2000 MAY-01-2000 <PERIOD-END> OCT-31-2000 OCT-31-2000 <CASH> 11,521 11,521 <SECURITIES> 21,882 21,882 <RECEIVABLES> 0 0 <ALLOWANCES> (1,656) (1,656) <INVENTORY> 19,315 19,315 <CURRENT-ASSETS> 49,417 49,417 <PP&E> 61,887 61,887 <DEPRECIATION> (942,645) (42,645) <TOTAL-ASSETS> 91,376 91,376 <CURRENT-LIABILITIES> 32,601 32,601 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 2,569 2,569 <OTHER-SE> 48,275 48,275 <TOTAL-LIABILITY-AND-EQUITY> 91,376 91,376 <SALES> 0 0 <TOTAL-REVENUES> 21,529 43,573 <CGS> 0 0 <TOTAL-COSTS> 14,964 28,784 <OTHER-EXPENSES> 23,461 35,664 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> (982) (1,269) <INCOME-PRETAX> (15,914) (19,606) <INCOME-TAX> 0 0 <INCOME-CONTINUING> (15,914) (19,606) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> (15,914) (19,606) <EPS-BASIC> (.70) (.86) <EPS-DILUTED> (.70) (.86)