<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   12-MOS                   3-MOS
<FISCAL-YEAR-END>                       DEC-31-1996             DEC-31-1997
<PERIOD-START>                          JAN-01-1996             JAN-01-1997
<PERIOD-END>                            DEC-31-1996             MAR-31-1997
<CASH>                                        4,781                   3,789
<SECURITIES>                                 11,418                  11,352
<RECEIVABLES>                                 5,164                   2,946
<ALLOWANCES>                                    265                     280
<INVENTORY>                                     809                     901
<CURRENT-ASSETS>                             22,241                  19,016
<PP&E>                                        1,236                   1,311
<DEPRECIATION>                                  423                     476
<TOTAL-ASSETS>                               24,009                  20,891
<CURRENT-LIABILITIES>                         2,611                   1,422
<BONDS>                                           0                       0
<PREFERRED-MANDATORY>                             0                       0
<PREFERRED>                                       0                       0
<COMMON>                                          7                       7
<OTHER-SE>                                   21,391                  19,462
<TOTAL-LIABILITY-AND-EQUITY>                 24,009                  20,891
<SALES>                                      13,605                   1,084
<TOTAL-REVENUES>                             13,605                   1,084
<CGS>                                        12,002                   1,406
<TOTAL-COSTS>                                12,002                   1,406
<OTHER-EXPENSES>                              6,916                   1,827
<LOSS-PROVISION>                                190                      15
<INTEREST-EXPENSE>                              500                     213
<INCOME-PRETAX>                              (4,813)                 (1,936)
<INCOME-TAX>                                    (63)                    (16)
<INCOME-CONTINUING>                          (4,876)                 (1,952)
<DISCONTINUED>                                    0                       0
<EXTRAORDINARY>                                   0                       0
<CHANGES>                                         0                       0
<NET-INCOME>                                 (4,876)                 (1,952)
<EPS-PRIMARY>                                 (0.73)                  (0.26)
<EPS-DILUTED>                                 (0.73)                  (0.26)<FN>
        
<FN>Per share information in 1996 has been retroactively adjusted to reflect a
one for three reverse stock split that was approved in May, 1996.