<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THE BALANCE SHEETS AND STATEMENTS OF OPERATIONS OF THE COMPANY'S FORM 10-Q FOR
THE SIX MONTH PERIOD ENDED JUNE 30, 2000.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 35,948
<SECURITIES> 115,288
<RECEIVABLES> 1,761
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 156,116
<PP&E> 6,487
<DEPRECIATION> 2,717
<TOTAL-ASSETS> 165,694
<CURRENT-LIABILITIES> 6,364
<BONDS> 1,828
0
0
<COMMON> 198
<OTHER-SE> 153,760
<TOTAL-LIABILITY-AND-EQUITY> 165,694
<SALES> 0
<TOTAL-REVENUES> 3,762
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 9,027
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 74
<INCOME-PRETAX> (3,729)
<INCOME-TAX> 0
<INCOME-CONTINUING> (3,729)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (3,729)
<EPS-BASIC> (0.19)
<EPS-DILUTED> (0.19)
</TABLE>