<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 3,657
<SECURITIES> 0
<RECEIVABLES> 6,720
<ALLOWANCES> 1,063
<INVENTORY> 1,008
<CURRENT-ASSETS> 10,653
<PP&E> 8,885
<DEPRECIATION> 7,534
<TOTAL-ASSETS> 14,142
<CURRENT-LIABILITIES> 6,618
<BONDS> 0
0
0
<COMMON> 27,607
<OTHER-SE> (20,085)
<TOTAL-LIABILITY-AND-EQUITY> 14,142
<SALES> 5,001
<TOTAL-REVENUES> 5,001
<CGS> 1,734
<TOTAL-COSTS> 4,471
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 42
<INCOME-PRETAX> (1,246)
<INCOME-TAX> 0
<INCOME-CONTINUING> (1,246)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (1,246)
<EPS-BASIC> (0.10)
<EPS-DILUTED> (0.10)
</TABLE>