<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS OF THIS QUARTERLY REPORT
ON FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 1,141
<SECURITIES> 0
<RECEIVABLES> 8,381
<ALLOWANCES> 379
<INVENTORY> 2,767
<CURRENT-ASSETS> 12,544
<PP&E> 8,257
<DEPRECIATION> 6,733
<TOTAL-ASSETS> 15,069
<CURRENT-LIABILITIES> 6,498
<BONDS> 0
0
0
<COMMON> 1
<OTHER-SE> 54,172
<TOTAL-LIABILITY-AND-EQUITY> 15,069
<SALES> 8,865
<TOTAL-REVENUES> 10,333
<CGS> 3,878
<TOTAL-COSTS> 4,867
<OTHER-EXPENSES> 4,321
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 36
<INCOME-PRETAX> 1,109
<INCOME-TAX> 346
<INCOME-CONTINUING> 763
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 763
<EPS-BASIC> 0.11
<EPS-DILUTED> 0.11
</TABLE>