<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 12-MOS 3-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 MAR-31-2000
<CASH> 7,067 9,772
<SECURITIES> 5,086 2,237
<RECEIVABLES> 1,203 1,497
<ALLOWANCES> (54) (63)
<INVENTORY> 845 883
<CURRENT-ASSETS> 14,763 14,926
<PP&E> 2,246 2,463
<DEPRECIATION> (1,371) (1,524)
<TOTAL-ASSETS> 15,705 15,930
<CURRENT-LIABILITIES> 2,326 2,927
<BONDS> 0 0
0 0
37,911 37,910
<COMMON> 1 1
<OTHER-SE> 1,636 2,732
<TOTAL-LIABILITY-AND-EQUITY> 15,705 15,930
<SALES> 4,629 1,841
<TOTAL-REVENUES> 4,629 1,841
<CGS> 2,994 1,182
<TOTAL-COSTS> 9,383 3,636
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 212 133
<INCOME-PRETAX> (7,510) (2,942)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (7,510) (2,942)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (7,510) (2,942)
<EPS-BASIC> (9.33) (2.89)
<EPS-DILUTED> (9.33) (2.89)
</TABLE>