<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ITEM I OF
FORM 10Q FOR THE PERIOD ENDED JUNE 30, 2000 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-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 24,190
<SECURITIES> 496
<RECEIVABLES> 444
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 26,204
<PP&E> 15,521
<DEPRECIATION> 7,476
<TOTAL-ASSETS> 34,657
<CURRENT-LIABILITIES> 4,459
<BONDS> 2,182
0
0
<COMMON> 18
<OTHER-SE> 27,998
<TOTAL-LIABILITY-AND-EQUITY> 34,657
<SALES> 0
<TOTAL-REVENUES> 4,715
<CGS> 0
<TOTAL-COSTS> 10,918
<OTHER-EXPENSES> 175
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 395
<INCOME-PRETAX> (6,108)
<INCOME-TAX> 0
<INCOME-CONTINUING> (6,108)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (6,108)
<EPS-BASIC> (0.36)
<EPS-DILUTED> (0.36)
</TABLE>