<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEETS AS OF JANUARY 31, 1998 AND APRIL 30, 1997, STATEMENTS OF OPERATIONS AND
STATEMENTS OF CASH FLOWS FOR THE THREE AND NINE MONTH PERIODS ENDED JANUARY 31,
1998 AND 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<PERIOD-TYPE> 3-MOS 3-MOS 9-MOS 9-MOS
<FISCAL-YEAR-END> APR-30-1998 APR-30-1997 APR-30-1998 APR-30-1997
<PERIOD-START> NOV-01-1997 NOV-01-1996 MAY-01-1997 MAY-01-1996
<PERIOD-END> JAN-31-1998 JAN-31-1997 JAN-31-1998 JAN-31-1997
<CASH> 6,481 6,481 7,945 7,945
<SECURITIES> 0 0 0 0
<RECEIVABLES> 7,790 7,791 7,199 7,199
<ALLOWANCES> 613 613 125 125
<INVENTORY> 7,192 7,190 12,732 12,732
<CURRENT-ASSETS> 21,868 21,867 28,646 28,646
<PP&E> 12,436 12,436 13,939 13,839
<DEPRECIATION> (9,223) (9,223) (10,032) (10,032)
<TOTAL-ASSETS> 25,080 25,079 32,553 32,553
<CURRENT-LIABILITIES> 18,386 18,387 16,631 16,631
<BONDS> 525 525 1,885 1,885
<PREFERRED-MANDATORY> 0 0 0 0
<PREFERRED> 0 0 0 0
<COMMON> 42,729 42,719 41,829 41,829
<OTHER-SE> (36,559) (36,561) (27,792) (27,792)
<TOTAL-LIABILITY-AND-EQUITY> 25,080 25,079 32,553 32,553
<SALES> 10,234 10,178 29,957 38,088
<TOTAL-REVENUES> 10,234 10,178 29,957 38,088
<CGS> 12,189 8,434 28,383 29,693
<TOTAL-COSTS> 12,189 8,434 28,383 29,693
<OTHER-EXPENSES> 3,924 3,201 9,795 11,136
<LOSS-PROVISION> 0 0 0 0
<INTEREST-EXPENSE> 161 106 549 73
<INCOME-PRETAX> (6,040) (1,583) (8,770) (2,814)
<INCOME-TAX> 0 12 0 90
<INCOME-CONTINUING> (6,040) (1,575) (8,770) (2,904)
<DISCONTINUED> 0 0 0 0
<EXTRAORDINARY> 0 0 0 0
<CHANGES> 0 0 0 0
<NET-INCOME> (6,040) (1,575) (8,770) (2,904)
<EPS-PRIMARY> (0.72) (0.20) (1.07) (0.37)
<EPS-DILUTED> (0.72) (0.20) (1.07) (0.37)