<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 3-MOS
<FISCAL-YEAR-END> DEC-31-1999 MAR-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 MAR-31-2000
<CASH> 2,486 2,207
<SECURITIES> 4,261 4,444
<RECEIVABLES> 5,118 6,803
<ALLOWANCES> 0 0
<INVENTORY> 0 0
<CURRENT-ASSETS> 12,388 14,067
<PP&E> 1,335 1,378
<DEPRECIATION> 0 0
<TOTAL-ASSETS> 14,435 16,348
<CURRENT-LIABILITIES> 2,786 3,067
<BONDS> 0 0
0 0
0 0
<COMMON> 4 4
<OTHER-SE> 11,645 13,277
<TOTAL-LIABILITY-AND-EQUITY> 14,435 16,348
<SALES> 30,412 10,888
<TOTAL-REVENUES> 30,412 10,888
<CGS> 15,647 5,219
<TOTAL-COSTS> 15,647 5,219
<OTHER-EXPENSES> 10,867 3,248
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 11 4
<INCOME-PRETAX> 4,506 2,561
<INCOME-TAX> 1,792 992
<INCOME-CONTINUING> 2,714 1,569
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,714 1,569
<EPS-BASIC> 0.67 0.39
<EPS-DILUTED> 0.49 0.28
</TABLE>