<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED BALANCE SHEET OF JUNE 30, 2000 AND THE CONDENSED CONSOLIDATED
STATEMENT OF OPERATIONS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2000
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 20,117,978
<SECURITIES> 3,109,675
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 23,849,255
<PP&E> 5,383,989
<DEPRECIATION> 4,019,778
<TOTAL-ASSETS> 25,213,466
<CURRENT-LIABILITIES> 4,474,890
<BONDS> 0
0
0
<COMMON> 116,826
<OTHER-SE> 20,277,559
<TOTAL-LIABILITY-AND-EQUITY> 25,213,466
<SALES> 0
<TOTAL-REVENUES> 3,677,031
<CGS> 0
<TOTAL-COSTS> 8,584,236
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 31,170
<INCOME-PRETAX> (4,907,205)
<INCOME-TAX> 0
<INCOME-CONTINUING> (4,907,205)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (4,907,205)
<EPS-BASIC> (0.43)
<EPS-DILUTED> (0.43)
</TABLE>