<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER
30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-START> APR-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 3,300
<SECURITIES> 0
<RECEIVABLES> 4,674
<ALLOWANCES> (300)
<INVENTORY> 229
<CURRENT-ASSETS> 8,348
<PP&E> 9,394
<DEPRECIATION> (4,933)
<TOTAL-ASSETS> 29,663
<CURRENT-LIABILITIES> 2,482
<BONDS> 605
0
0
<COMMON> 47
<OTHER-SE> 26,529
<TOTAL-LIABILITY-AND-EQUITY> 29,663
<SALES> 9,237
<TOTAL-REVENUES> 9,442
<CGS> 5,687
<TOTAL-COSTS> 8,213
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 1,229
<INCOME-TAX> 68
<INCOME-CONTINUING> 1,161
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 1,161
<EPS-BASIC> 0.27
<EPS-DILUTED> 0.26
</TABLE>