<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM CONSOLIDATED BALANCE
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> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 1,406
<SECURITIES> 0
<RECEIVABLES> 8,652
<ALLOWANCES> 376
<INVENTORY> 3,253
<CURRENT-ASSETS> 13,271
<PP&E> 8,303
<DEPRECIATION> 6,529
<TOTAL-ASSETS> 15,960
<CURRENT-LIABILITIES> 6,879
<BONDS> 0
0
0
<COMMON> 2
<OTHER-SE> 54,214
<TOTAL-LIABILITY-AND-EQUITY> 15,960
<SALES> 8,100
<TOTAL-REVENUES> 9,654
<CGS> 3,588
<TOTAL-COSTS> 4,608
<OTHER-EXPENSES> 4,085
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 36
<INCOME-PRETAX> 925
<INCOME-TAX> 300
<INCOME-CONTINUING> 625
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 625
<EPS-BASIC> 0.09
<EPS-DILUTED> 0.09
</TABLE>