<TABLE> <S> <C>
<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 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> 46,645 64,076
<SECURITIES> 19,799 22,244
<RECEIVABLES> 0 3,067
<ALLOWANCES> 0 0
<INVENTORY> 0 10,766
<CURRENT-ASSETS> 68,252 103,753
<PP&E> 18,082 21,981
<DEPRECIATION> (9,545) (13,895)
<TOTAL-ASSETS> 99,443 149,426
<CURRENT-LIABILITIES> 9,340 28,132
<BONDS> 0 0
0 0
134,980 222,922
<COMMON> 7,183 68,085
<OTHER-SE> (3,074) (48,869)
<TOTAL-LIABILITY-AND-EQUITY> 99,443 147,470
<SALES> 76 3,817
<TOTAL-REVENUES> 5,076 3,817
<CGS> 18 2,305
<TOTAL-COSTS> 18 2,305
<OTHER-EXPENSES> 46,151 75,158
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 1,952 1,273
<INCOME-PRETAX> (40,589) (71,464)
<INCOME-TAX> 500 0
<INCOME-CONTINUING> (41,089) (71,464)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (41,089) (71,464)
<EPS-BASIC> (1.51) (2.26)
<EPS-DILUTED> (0.52) (0.71)
</TABLE>