<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
CERTAIN INFORMATION OF THE SIX MONTHS ENDED JUNE 30, 2000 AND EACH OF THE
QUARTERLY PERIODS FROM THE THREE MONTH PERIOD ENDED MARCH 31, 2000 AND JUNE 30,
2000 HAVE BEEN RESTATED TO REFLECT THE ADJUSTMENT DESCRIBED IN NOTE A TO THE
COMPANY'S CONSOLIDATED FINANCIAL SCHEDULES.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 JUN-30-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 JUN-30-2000
<CASH> 46,645 112,353
<SECURITIES> 19,799 3,015
<RECEIVABLES> 0 243
<ALLOWANCES> 0 0
<INVENTORY> 0 4,047
<CURRENT-ASSETS> 68,252 122,308
<PP&E> 18,082 19,484
<DEPRECIATION> (9,545) (12,412)
<TOTAL-ASSETS> 99,443 160,784
<CURRENT-LIABILITIES> 9,340 16,243
<BONDS> 0 0
0 0
134,980 222,922
<COMMON> 7,183 42,440
<OTHER-SE> (3,074) (27,327)
<TOTAL-LIABILITY-AND-EQUITY> 99,443 160,784
<SALES> 76 358
<TOTAL-REVENUES> 5,076 358
<CGS> 18 223
<TOTAL-COSTS> 18 223
<OTHER-EXPENSES> 46,151 45,999
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 1,952 876
<INCOME-PRETAX> (40,589) (43,795)
<INCOME-TAX> 500 0
<INCOME-CONTINUING> (41,089) (43,795)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (41,089) (43,795)
<EPS-BASIC> (1.51) (1.42)
<EPS-DILUTED> (1.51) (1.42)
</TABLE>