<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<C>
<PERIOD-TYPE>                   YEAR                   YEAR                   YEAR                   6-MOS
6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998             DEC-31-1999             DEC-31-1999
             DEC-31-2000
<PERIOD-END>                               DEC-31-1997             DEC-31-1998             DEC-31-1999             JUN-30-1999
             JUN-30-2000
<CASH>                                               0                     207                     352                       0
                   2,040
<SECURITIES>                                         0                       0                       0                       0
                       0
<RECEIVABLES>                                        0                     185                     243                       0
                      24
<ALLOWANCES>                                         0                       0                       0                       0
                       0
<INVENTORY>                                          0                     643                     550                       0
                     917
<CURRENT-ASSETS>                                     0                   1,134                   1,381                       0
                   3,182
<PP&E>                                               0                     317                     424                       0
                     597
<DEPRECIATION>                                       0                     146                     249                       0
                     309
<TOTAL-ASSETS>                                       0                   1,537                   1,687                       0
                   3,662
<CURRENT-LIABILITIES>                                0                   2,441                   1,960                       0
                   2,067
<BONDS>                                              0                       0                       0                       0
                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
                       0
<PREFERRED>                                          0                       0                       0                       0
                       0
<COMMON>                                             0                   5,893                   8,990                       0
                  13,090
<OTHER-SE>                                           0                 (7,138)                (10,075)                       0
                (12,215)
<TOTAL-LIABILITY-AND-EQUITY>                         0                   1,537                   1,687                       0
                   3,662
<SALES>                                              0                       0                       0                       0
                       0
<TOTAL-REVENUES>                                   278                     145                   1,238                     516
                      76
<CGS>                                              179                     192                   1,106                     507
                       0
<TOTAL-COSTS>                                    2,907                   3,273                   4,632                   2,357
                   2,446
<OTHER-EXPENSES>                                 (763)                   (793)                   (487)                   (349)
                   (261)
<LOSS-PROVISION>                                     0                       0                       0                       0
                       0
<INTEREST-EXPENSE>                                (20)                    (91)                      30                      19
                      31
<INCOME-PRETAX>                                (1,846)                 (2,244)                 (2,937)                 (1,511)
                 (2,140)
<INCOME-TAX>                                         0                       0                       0                       0
                       0
<INCOME-CONTINUING>                            (1,846)                  (2,44)                 (2,937)                 (1,511)
                 (2,140)
<DISCONTINUED>                                       0                       0                       0                       0
                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
                       0
<CHANGES>                                            0                       0                       0                       0
                       0
<NET-INCOME>                                   (1,846)                 (2,244)                 (2,937)                 (1,511)
                 (2,140)
<EPS-BASIC>                                          0                       0                       0                       0
                       0
<EPS-DILUTED>                                        0                       0                       0                       0
                       0


</TABLE>