
<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1996             DEC-31-1997
<PERIOD-START>                             JAN-01-1995             JAN-01-1996             JAN-01-1997
<PERIOD-END>                               DEC-31-1995             DEC-31-1996             MAR-31-1997
<EXCHANGE-RATE>                                      1                       1                       1
<CASH>                                             865                   5,291                   4,141
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                        0                   1,471                   4,113
<ALLOWANCES>                                         0                      78                     128
<INVENTORY>                                         37                   4,960                   2,999
<CURRENT-ASSETS>                                   135                     321                     896
<PP&E>                                           1,596                   4,726                   5,060
<DEPRECIATION>                                     227                   1,244                   1,629
<TOTAL-ASSETS>                                   2,440                  15,581                  15,586
<CURRENT-LIABILITIES>                            1,344                   5,328                   5,972
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                      5,474                  28,701                  29,222
<COMMON>                                           310                   1,626                   2,078
<OTHER-SE>                                     (5,039)                (19,790)                (20,951)
<TOTAL-LIABILITY-AND-EQUITY>                     2,440                  15,581                  15,586
<SALES>                                              0                   6,390                   4,497
<TOTAL-REVENUES>                                     0                   6,390                   5,247
<CGS>                                                0                   5,123                   2,582
<TOTAL-COSTS>                                        0                   5,123                   2,582
<OTHER-EXPENSES>                                 5,106                  16,077                   3,799
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                  45                     141                      63
<INCOME-PRETAX>                                (5,039)                (14,751)                 (1,161)
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                            (5,106)                (14,810)                 (1,134)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                   (5,039)                (14,751)                 (1,161)
<EPS-PRIMARY>                                        0                   (.75)                   (.06)
<EPS-DILUTED>                                        0                  (1.56)                   (.12)
        

</TABLE>
