<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998             DEC-31-1999
<PERIOD-START>                             JAN-01-1997             JAN-31-1998             JAN-01-1999
<PERIOD-END>                               DEC-31-1997             DEC-31-1998             DEC-31-1999
<CASH>                                      10,294,000               2,635,000               6,603,000
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                2,744,000               3,013,000               2,900,000
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                  3,162,000               3,093,000               7,101,000
<CURRENT-ASSETS>                            16,381,000               8,977,000              18,728,000
<PP&E>                                      12,756,000              17,151,000              15,921,000
<DEPRECIATION>                               9,326,000              11,229,000               9,477,000
<TOTAL-ASSETS>                              20,059,000              14,955,000              25,297,000
<CURRENT-LIABILITIES>                        7,942,000               5,706,000               9,540,000
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                       25,425,000              32,793,000              47,793,000
<PREFERRED>                                          0                       0                       0
<COMMON>                                        10,000                  10,000                   8,000
<OTHER-SE>                                (15,008,000)            (24,601,000)            (34,429,000)
<TOTAL-LIABILITY-AND-EQUITY>                20,059,000              14,955,000              25,297,000
<SALES>                                      1,733,000               2,386,000               9,720,000
<TOTAL-REVENUES>                             1,733,000               2,386,000               9,720,000
<CGS>                                        2,755,000               7,517,000               9,041,000
<TOTAL-COSTS>                                2,755,000               7,517,000               9,041,000
<OTHER-EXPENSES>                             5,704,000               8,041,000               8,488,000
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                             683,000                 473,000                 756,000
<INCOME-PRETAX>                            (7,352,000)            (12,415,000)             (8,293,000)
<INCOME-TAX>                                 (640,000)             (1,162,000)                       0
<INCOME-CONTINUING>                        (6,712,000)            (11,253,000)             (8,293,000)
<DISCONTINUED>                             (1,342,000)               1,724,000                 258,000
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                               (5,370,000)             (9,529,000)             (9,935,000)
<EPS-BASIC>                                    (11.33)                 (19.37)                 (16.39)
<EPS-DILUTED>                                  (11.33)                 (19.37)                 (16.39)


</TABLE>