<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM AUDITED
FINANCIAL STATEMENTS AS OF AND FOR THE YEAR ENDED SEPTEMBER 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> SEP-30-2000
<CASH> 114,586
<SECURITIES> 0
<RECEIVABLES> 2,175
<ALLOWANCES> 220
<INVENTORY> 3,429
<CURRENT-ASSETS> 120,251
<PP&E> 20,429
<DEPRECIATION> 3,583
<TOTAL-ASSETS> 137,125
<CURRENT-LIABILITIES> 12,400
<BONDS> 7,949
0
158,781
<COMMON> 1
<OTHER-SE> 116,776
<TOTAL-LIABILITY-AND-EQUITY> 137,125
<SALES> 3,312
<TOTAL-REVENUES> 3,312
<CGS> 13,937
<TOTAL-COSTS> 13,937
<OTHER-EXPENSES> 34,818
<LOSS-PROVISION> 212
<INTEREST-EXPENSE> 825
<INCOME-PRETAX> (43,765)
<INCOME-TAX> 0
<INCOME-CONTINUING> (43,765)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (43,765)
<EPS-BASIC> (13.16)
<EPS-DILUTED> (13.16)
</TABLE>