<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-END> SEP-30-2000 SEP-30-1999
<CASH> 19,590,000 18,162,000
<SECURITIES> 0 0
<RECEIVABLES> 3,210,000 2,119,000
<ALLOWANCES> 26,000 0
<INVENTORY> 3,406,000 4,764,000
<CURRENT-ASSETS> 31,749,000 26,572,000
<PP&E> 17,993,000 17,042,000
<DEPRECIATION> 8,646,000 5,926,000
<TOTAL-ASSETS> 86,418,000 82,853,000
<CURRENT-LIABILITIES> 14,580,000 17,662,000
<BONDS> 0 0
0 0
200 100
<COMMON> 19,000 18,250
<OTHER-SE> 69,680,800 31,589,650
<TOTAL-LIABILITY-AND-EQUITY> 86,418,000 82,853,000
<SALES> 13,912,000 9,320,000
<TOTAL-REVENUES> 13,912,000 9,320,000
<CGS> 7,943,000 6,657,000
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<OTHER-EXPENSES> 0 504,000
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 0 1,553,000
<INCOME-PRETAX> (21,478,000) (27,032,000)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (21,478,000) (27,032,000)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (21,478,000) (27,032,000)
<EPS-BASIC> (1.41) (1.70)
<EPS-DILUTED> (1.41) (1.70)
</TABLE>