<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from year ended
12/31/1999 and 6 mos. ended 6/30/2000 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 JUN-30-2000
<CASH> 2,486 3,634
<SECURITIES> 4,261 4,246
<RECEIVABLES> 5,118 6,661
<ALLOWANCES> 0 0
<INVENTORY> 0 0
<CURRENT-ASSETS> 12,388 15,710
<PP&E> 1,335 1,665
<DEPRECIATION> 0 0
<TOTAL-ASSETS> 14,435 18,177
<CURRENT-LIABILITIES> 2,786 3,618
<BONDS> 0 0
0 0
0 0
<COMMON> 10 10
<OTHER-SE> 11,639 14,549
<TOTAL-LIABILITY-AND-EQUITY> 14,435 18,177
<SALES> 30,412 23,123
<TOTAL-REVENUES> 30,412 23,123
<CGS> 15,647 11,044
<TOTAL-COSTS> 15,647 11,044
<OTHER-EXPENSES> 10,867 7,377
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 11 7
<INCOME-PRETAX> 4,506 5,414
<INCOME-TAX> 1,792 2,168
<INCOME-CONTINUING> 2,714 3,246
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,714 3,246
<EPS-BASIC> .28 .34
<EPS-DILUTED> .21 .25
</TABLE>