<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE AUDITED
CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE YEAR ENDED DECEMBER 31, 1999
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONSOLIDATED FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 12-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 SEP-30-2000
<CASH> 7,172 52,067
<SECURITIES> 5,253 3,927
<RECEIVABLES> 347 2,479
<ALLOWANCES> (33) (300)
<INVENTORY> 366 667
<CURRENT-ASSETS> 669 3,294
<PP&E> 4,007 14,093
<DEPRECIATION> (690) (2,155)
<TOTAL-ASSETS> 17,091 75,567
<CURRENT-LIABILITIES> 3,747 14,376
<BONDS> 0 0
32,755 115,708
0 0
<COMMON> 2,220 91,926
<OTHER-SE> (21,634) (148,012)
<TOTAL-LIABILITY-AND-EQUITY> 17,091 75,567
<SALES> 411 3,236
<TOTAL-REVENUES> 411 3,236
<CGS> (1,754) (11,313)
<TOTAL-COSTS> (13,362) (37,917)
<OTHER-EXPENSES> 276 1,490
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (986) (8,807)
<INCOME-PRETAX> (15,415) (97,461)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (15,415) (97,461)
<EPS-BASIC> (7.31) (35.87)
<EPS-DILUTED> (7.31) (35.87)
</TABLE>