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<S> <C> <C>
<PERIOD-TYPE> 6-MOS YEAR
<FISCAL-YEAR-END> NOV-30-2000 NOV-30-1999
<PERIOD-START> DEC-01-1999 DEC-01-1998
<PERIOD-END> MAY-31-2000 NOV-30-1999
<CASH> 6,679 4,783
<SECURITIES> 8,133 7,647
<RECEIVABLES> 8,233 12,824
<ALLOWANCES> 336 294
<INVENTORY> 5,644 5,082
<CURRENT-ASSETS> 30,469 31,342
<PP&E> 8,741 8,536
<DEPRECIATION> 6,865 6,673
<TOTAL-ASSETS> 42,333 37,058
<CURRENT-LIABILITIES> 6,725 6,331
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0 0
0 0
<COMMON> 109 107
<OTHER-SE> 34,594 29,688
<TOTAL-LIABILITY-AND-EQUITY> 42,333 37,058
<SALES> 25,518 58,559
<TOTAL-REVENUES> 25,518 58,559
<CGS> 13,930 36,028
<TOTAL-COSTS> 13,930 36,028
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<INCOME-PRETAX> 2,988 9,042
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<EPS-BASIC> 0.17 0.67
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