<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> JUN-30-1999 JUN-30-2000
<PERIOD-START> JUL-01-1998 JUL-01-1999
<PERIOD-END> JUN-30-1999 JUN-30-2000
<CASH> 5,833 1,988
<SECURITIES> 0 0
<RECEIVABLES> 4,517 6,231
<ALLOWANCES> 203 159
<INVENTORY> 3,306 5,385
<CURRENT-ASSETS> 14,924 17,702
<PP&E> 3,136 4,066
<DEPRECIATION> 2,260 2,718
<TOTAL-ASSETS> 17,292 20,210
<CURRENT-LIABILITIES> 6,815 6,564
<BONDS> 0 0
0 0
0 0
<COMMON> 3 3
<OTHER-SE> 10,309 12,544
<TOTAL-LIABILITY-AND-EQUITY> 17,292 20,210
<SALES> 32,980 44,975
<TOTAL-REVENUES> 32,980 44,975
<CGS> 16,824 21,500
<TOTAL-COSTS> 29,207 43,362
<OTHER-EXPENSES> 40 96
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (151) (187)
<INCOME-PRETAX> 3,884 1,704
<INCOME-TAX> 1,098 649
<INCOME-CONTINUING> 3,773 1,613
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,786 1,055
<EPS-BASIC> 0.10 0.04
<EPS-DILUTED> 0.10 0.03
</TABLE>