<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS AS OF DECEMBER 31, 1999 AND THE SIX MONTHS ENDING
JUNE 30, 2000 AND 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 6-MOS 6-MOS
<FISCAL-YEAR-END> JUN-30-2000 JUN-30-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> JUN-30-2000 JUN-30-1999
<CASH> 50,144 0
<SECURITIES> 3,494 0
<RECEIVABLES> 592 0
<ALLOWANCES> 0 0
<INVENTORY> 6,436 0
<CURRENT-ASSETS> 62,051 0
<PP&E> 16,255 0
<DEPRECIATION> 6,536 0
<TOTAL-ASSETS> 71,571 0
<CURRENT-LIABILITIES> 13,732 0
<BONDS> 4,669 0
167,987 0
0 0
<COMMON> 1 0
<OTHER-SE> (115,014) 0
<TOTAL-LIABILITY-AND-EQUITY> 71,571 0
<SALES> 2,721 0
<TOTAL-REVENUES> 2,721 0
<CGS> 2,333 0
<TOTAL-COSTS> 44,004 20,508
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 0 0
<INCOME-PRETAX> (42,638) (20,455)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (42,638) (20,455)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (42,638) (20,455)
<EPS-BASIC> (8.86) (6.82)
<EPS-DILUTED> (8.86) (6.82)
</TABLE>