<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 JUNE 30, 2000 AND
YEAR-T0-DATE AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 9,287
<SECURITIES> 15,947
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 25,696
<PP&E> 18,265
<DEPRECIATION> 9,106
<TOTAL-ASSETS> 40,294
<CURRENT-LIABILITIES> 4,193
<BONDS> 0
9,767
0
<COMMON> 68
<OTHER-SE> 21,477
<TOTAL-LIABILITY-AND-EQUITY> 40,294
<SALES> 0
<TOTAL-REVENUES> 7,170
<CGS> 0
<TOTAL-COSTS> 12,346
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 139
<INCOME-PRETAX> (5,176)
<INCOME-TAX> 0
<INCOME-CONTINUING> (5,176)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (5,176)
<EPS-BASIC> (0.21)
<EPS-DILUTED> (0.21)
</TABLE>