<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C> <C>
<PERIOD-TYPE> YEAR YEAR YEAR
<FISCAL-YEAR-END> MAR-31-2000 MAR-31-1999 MAR-31-1998
<PERIOD-START> APR-01-1999 APR-01-1998 APR-01-1997
<PERIOD-END> MAR-31-2000 MAR-31-1999 MAR-31-1998
<CASH> 5,286 4,148 2,701
<SECURITIES> 11,196 1,999 1,000
<RECEIVABLES> 2,027 772 475
<ALLOWANCES> (27) (27) (27)
<INVENTORY> 0 0 0
<CURRENT-ASSETS> 19,167 7,192 4,480
<PP&E> 1,906 1,164 502
<DEPRECIATION> (715) (319) (121)
<TOTAL-ASSETS> 21,096 9,655 5,399
<CURRENT-LIABILITIES> 5,543 4,588 1,558
<BONDS> 708 2,812 1,221
41,134 19,926 9,761
0 0 0
<COMMON> 6,160 751 330
<OTHER-SE> (32,449) (18,422) (7,471)
<TOTAL-LIABILITY-AND-EQUITY> 21,096 9,655 5,399
<SALES> 0 0 0
<TOTAL-REVENUES> 9,298 4,085 1,106
<CGS> 0 0 0
<TOTAL-COSTS> 4,541 2,520 714
<OTHER-EXPENSES> 15,847 12,141 5,780
<LOSS-PROVISION> 0 0 0
<INTEREST-EXPENSE> (185) 120 (172)
<INCOME-PRETAX> (10,905) (10,696) (5,216)
<INCOME-TAX> 0 0 0
<INCOME-CONTINUING> (10,905) (10,696) (5,216)
<DISCONTINUED> 0 0 0
<EXTRAORDINARY> 0 0 0
<CHANGES> 0 0 0
<NET-INCOME> (10,905) (10,696) (5,216)
<EPS-BASIC> (3.38) (4.41) (3.96)
<EPS-DILUTED> (3.38) (4.41) (3.96)
</TABLE>