<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENT.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 14,976
<SECURITIES> 3,355
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 892
<CURRENT-ASSETS> 20,633
<PP&E> 24,893
<DEPRECIATION> 12,707
<TOTAL-ASSETS> 33,294
<CURRENT-LIABILITIES> 5,693
<BONDS> 0
0
0
<COMMON> 345
<OTHER-SE> 8,127
<TOTAL-LIABILITY-AND-EQUITY> 33,294
<SALES> 2,050
<TOTAL-REVENUES> 8,898
<CGS> 3,744
<TOTAL-COSTS> 0
<OTHER-EXPENSES> 19,288
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,547
<INCOME-PRETAX> (15,681)
<INCOME-TAX> 0
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (15,681)
<EPS-BASIC> (.47)
<EPS-DILUTED> (.47)
</TABLE>