<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM S-1
REGISTRATION AND IS QUALIFIEID IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 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> 16,625 55,685
<SECURITIES> 0 30,769
<RECEIVABLES> 0 107
<ALLOWANCES> 0 0
<INVENTORY> 750 657
<CURRENT-ASSETS> 19,452 91,456
<PP&E> 7,053 25,029
<DEPRECIATION> 1,706 3,295
<TOTAL-ASSETS> 25,430 114,491
<CURRENT-LIABILITIES> 6,512 16,405
<BONDS> 0 0
52,263 150,540
0 0
<COMMON> 8 12
<OTHER-SE> (35,469) (54,716)
<TOTAL-LIABILITY-AND-EQUITY> 25,430 114,491
<SALES> 0 468
<TOTAL-REVENUES> 0 468
<CGS> 136 2,196
<TOTAL-COSTS> 21,491 25,962
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 513 615
<INCOME-PRETAX> (21,056) (24,157)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (21,056) (24,157)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (21,056) (24,157)
<EPS-BASIC> (3.39) (2.85)
<EPS-DILUTED> (3.39) (2.85)
</TABLE>