<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS
EXTRACTED FROM ITEM 1 OF FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30, 2000 AND
YEAR-TO-DATE 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> 8,428
<SECURITIES> 26,924
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 35,774
<PP&E> 18,465
<DEPRECIATION> 9,557
<TOTAL-ASSETS> 49,944
<CURRENT-LIABILITIES> 3,933
<BONDS> 0
9,837
0
<COMMON> 75
<OTHER-SE> 30,289
<TOTAL-LIABILITY-AND-EQUITY> 49,944
<SALES> 0
<TOTAL-REVENUES> 7,889
<CGS> 0
<TOTAL-COSTS> 19,202
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 228
<INCOME-PRETAX> (11,313)
<INCOME-TAX> 0
<INCOME-CONTINUING> (11,313)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (11,313)
<EPS-BASIC> (.44)
<EPS-DILUTED> (.44)
</TABLE>