<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS AS OF DECEMBER 31, 1998 AND 1999 AND MARCH 31,
2000 AND FOR THE YEARS ENDED DECEMBER 31, 1997, 1998 AND FOR THE THREE MONTHS
ENDED MARCH 31, 1999 AND 2000.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> MAR-31-2000
<CASH> 24,083,330
<SECURITIES> 7,700,209
<RECEIVABLES> 208,500
<ALLOWANCES> 0
<INVENTORY> 7,017,628
<CURRENT-ASSETS> 39,818,147
<PP&E> 14,683,976
<DEPRECIATION> 5,718,967
<TOTAL-ASSETS> 49,106,656
<CURRENT-LIABILITIES> 13,330,080
<BONDS> 5,246,071
123,441,055
0
<COMMON> 610
<OTHER-SE> (93,109,160)
<TOTAL-LIABILITY-AND-EQUITY> 49,106,656
<SALES> 504,000
<TOTAL-REVENUES> 504,000
<CGS> 429,125
<TOTAL-COSTS> 17,032,385
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 196,952
<INCOME-PRETAX> (16,680,256)
<INCOME-TAX> 0
<INCOME-CONTINUING> (16,680,256)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (16,680,256)
<EPS-BASIC> (3.68)
<EPS-DILUTED> (3.68)
</TABLE>