<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED JUNE 30, 2000, AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-START> JUL-01-1999
<PERIOD-END> JUN-30-2000
<CASH> 2,064,000
<SECURITIES> 10,681,000
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 13,145,000
<PP&E> 3,111,000
<DEPRECIATION> 2,819,000
<TOTAL-ASSETS> 13,437,000
<CURRENT-LIABILITIES> 1,002,000
<BONDS> 0
0
0
<COMMON> 92,367,000
<OTHER-SE> (79,932,000)
<TOTAL-LIABILITY-AND-EQUITY> 13,437,000
<SALES> 0
<TOTAL-REVENUES> 1,150,000
<CGS> 0
<TOTAL-COSTS> 10,904,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (9,390,000)
<INCOME-TAX> 0
<INCOME-CONTINUING> (9,390,000)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (9,390,000)
<EPS-BASIC> (.41)
<EPS-DILUTED> (.41)
</TABLE>