<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 12-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-1999 SEP-30-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 SEP-30-2000
<CASH> 3,752 18,819
<SECURITIES> 2,060 9,281
<RECEIVABLES> 712 339
<ALLOWANCES> 0 0
<INVENTORY> 0 372
<CURRENT-ASSETS> 6,884 30,146
<PP&E> 2,150 3,164
<DEPRECIATION> (979) (1,852)
<TOTAL-ASSETS> 11,613 35,937
<CURRENT-LIABILITIES> 1,916 4,359
<BONDS> 0 0
17,511 46,502
0 0
<COMMON> 4 5
<OTHER-SE> (10,496) (18,903)
<TOTAL-LIABILITY-AND-EQUITY> 11,613 35,937
<SALES> 1,293 1,896
<TOTAL-REVENUES> 1,293 1,896
<CGS> 0 261
<TOTAL-COSTS> 8,547 11,525
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (237) (375)
<INCOME-PRETAX> (7,136) (9,087)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (7,136) (9,087)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (7,136) (9,087)
<EPS-BASIC> $(2.15) $(2.32)
<EPS-DILUTED> $(2.15) $(2.32)
</TABLE>