<TABLE> <S> <C>

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

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998             DEC-31-1999
<PERIOD-START>                             JAN-01-1997             JAN-01-1998             JAN-01-1999
<PERIOD-END>                               DEC-31-1997             DEC-31-1998             DEC-31-1999
<CASH>                                               0                       0                     250
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                        0                       0                   2,463
<ALLOWANCES>                                         0                       0                     287
<INVENTORY>                                          0                       0                     480
<CURRENT-ASSETS>                                     0                       0                   5,241
<PP&E>                                               0                   2,232                   2,564
<DEPRECIATION>                                       0                   1,570                   4,592
<TOTAL-ASSETS>                                       0                  11,051                  36,384
<CURRENT-LIABILITIES>                                0                       0                  13,333
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       2
<COMMON>                                             0                       0                       4
<OTHER-SE>                                           0                   2,916                  23,406
<TOTAL-LIABILITY-AND-EQUITY>                         0                  11,051                  36,384
<SALES>                                              0                       0                   9,429
<TOTAL-REVENUES>                                     0                       0                  19,412
<CGS>                                                0                       0                   4,078
<TOTAL-COSTS>                                        0                       0                  10,304
<OTHER-EXPENSES>                                     0                   7,651                  18,375
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                     948
<INCOME-PRETAX>                                      0                 (4,237)                (10,315)
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                                  0                 (4,237)                (10,215)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                         0                 (4,237)                (10,215)
<EPS-BASIC>                                          0                  (1.96)                  (3.13)
<EPS-DILUTED>                                        0                  (1.96)                  (3.13)


</TABLE>