<TABLE> <S> <C>

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

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1997             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               SEP-30-1997             DEC-31-1996             DEC-31-1995
<CASH>                                           8,693                   3,404                     993
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                    3,310                   2,138                     166
<ALLOWANCES>                                       392                     250                       0
<INVENTORY>                                      2,681                     933                     362
<CURRENT-ASSETS>                                14,859                   6,436                   1,537
<PP&E>                                           2,140                   1,062                     237
<DEPRECIATION>                                     633                     249                      46
<TOTAL-ASSETS>                                  16,366                   7,249                   1,728
<CURRENT-LIABILITIES>                           12,822                   3,942                     386
<BONDS>                                            256                      28                      81
<PREFERRED-MANDATORY>                           14,855                  13,398                   3,385
<PREFERRED>                                          3                       3                       3
<COMMON>                                            29                      28                      28
<OTHER-SE>                                    (11,599)                (10,150)                 (2,155)
<TOTAL-LIABILITY-AND-EQUITY>                    16,366                   7,249                   1,728
<SALES>                                         23,651                   6,335                     250
<TOTAL-REVENUES>                                23,651                   6,335                     250
<CGS>                                            7,616                   2,550                      44
<TOTAL-COSTS>                                    7,616                   2,550                      44
<OTHER-EXPENSES>                                16,235                  10,843                   2,037
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                (48)                    (75)                    (40)
<INCOME-PRETAX>                                  (152)                 (6,983)                 (1,791)
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                              (152)                 (6,983)                 (1,791)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     (152)                 (6,983)                 (1,791)
<EPS-PRIMARY>                                   (0.56)<F1>              (2.86)<F1>              (0.73)<F1>
<EPS-DILUTED>                                   (0.56)                  (2.86)                  (0.73)
<FN>
<F1>The EPS information has been prepared in accordance with SFAS No. 128 and basic
and diluted EPS have been entered in place of primary and fully diluted,
respectively.
</FN>


</TABLE>