<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEETS AND STATEMENTS OF OPERATIONS OF THE COMPANY'S FORM 10-Q FOR THE
NINE-MONTH PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 19,786
<SECURITIES> 130,620
<RECEIVABLES> 318
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 153,773
<PP&E> 9,638
<DEPRECIATION> 6,348
<TOTAL-ASSETS> 163,759
<CURRENT-LIABILITIES> 5,533
<BONDS> 1,885
0
0
<COMMON> 200
<OTHER-SE> 152,868
<TOTAL-LIABILITY-AND-EQUITY> 163,759
<SALES> 0
<TOTAL-REVENUES> 5,192
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 13,551
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 139
<INCOME-PRETAX> (5,600)
<INCOME-TAX> 0
<INCOME-CONTINUING> (5,600)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (5,600)
<EPS-BASIC> (0.29)
<EPS-DILUTED> (0.29)
</TABLE>