<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 6/30/2000
10(Q) 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> 3,798
<SECURITIES> 27,174
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 31,632
<PP&E> 8,481
<DEPRECIATION> 7,576
<TOTAL-ASSETS> 32,957
<CURRENT-LIABILITIES> 1,605
<BONDS> 0
0
4
<COMMON> 471
<OTHER-SE> 30,877
<TOTAL-LIABILITY-AND-EQUITY> 32,957
<SALES> 0
<TOTAL-REVENUES> 904
<CGS> 0
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 11,153
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 46
<INCOME-PRETAX> (6,221)
<INCOME-TAX> 0
<INCOME-CONTINUING> (6,221)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (6,221)
<EPS-BASIC> (.29)
<EPS-DILUTED> (.29)
</TABLE>