<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND> This schedule contains summary financial information extracted
from the Balance Sheets and Statements of Operations included in
the Company's Form 10-K for the year ended May 31, 2000 and is
qualified in its entirety by reference to such Financial
Statements.
</LEGEND>
<MULTIPLIER>1000
<S> <C> <C> <C>
<FISCAL-YEAR-END> May-31-2000 May-31-1999 May-31-1998
<PERIOD-START> Jun-01-1999 Jun-01-1998 Jun-01-1997
<PERIOD-END> May-31-2000 May-31-1999 May-31-1998
<PERIOD-TYPE> 12-MOS 12-MOS 12-MOS
<CASH> 8,323 5,336 6,748
<SECURITIES> 7,365 14,847 16,579
<RECEIVABLES> 6,444 3,658 7,442
<ALLOWANCES> 150 125 260
<INVENTORY> 11,183 9,221 11,942
<CURRENT-ASSETS> 36,442 35,134 43,858
<PP&E> 10,184 8,962 7,902
<DEPRECIATION> 7,571 7,026 6,361
<TOTAL-ASSETS> 40,729 41,187 47,105
<CURRENT-LIABILITIES> 6,042 4,118 6,973
<BONDS> 0 0 0
0 0 0
0 0 0
<COMMON> 69 68 69
<OTHER-SE> 34,236 36,610 39,895
<TOTAL-LIABILITY-AND-EQUITY> 40,729 41,187 47,105
<SALES> 24,505 18,146 40,805
<TOTAL-REVENUES> 24,505 18,146 40,805
<CGS> 17,267 12,201 24,359
<TOTAL-COSTS> 17,267 12,201 24,359
<OTHER-EXPENSES> 12,431 10,577 12,247
<LOSS-PROVISION> 0 0 0
<INTEREST-EXPENSE> (974) (1,184) (904)
<INCOME-PRETAX> (3,721) (3,007) 4,739
<INCOME-TAX> (1,116) (677) 2,334
<INCOME-CONTINUING> (2,605) (2,330) 2,405
<DISCONTINUED> 0 0 0
<EXTRAORDINARY> 0 0 0
<CHANGES> 0 0 0
<NET-INCOME> (2,605) (2,330) 2,405
<EPS-BASIC> $(0.38) ($0.34) $0.38
<EPS-DILUTED> $(0.38) ($0.34) $0.36
</TABLE>