<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                           DEC-31-1997            DEC-31-1996
<PERIOD-END>                                MAR-31-1997            MAR-31-1996
<CASH>                                      15,766,000              28,886,000
<SECURITIES>                                         0                       0
<RECEIVABLES>                                3,606,000               3,843,000
<ALLOWANCES>                                    54,000                  86,000
<INVENTORY>                                  2,098,000               2,694,000
<CURRENT-ASSETS>                            22,042,000              43,014,000
<PP&E>                                       5,930,000               5,454,000
<DEPRECIATION>                               1,913,000               1,534,000
<TOTAL-ASSETS>                              30,413,000              51,598,000
<CURRENT-LIABILITIES>                        6,370,000              29,088,000
<BONDS>                                      1,244,000               1,824,000
<COMMON>                                     1,606,000               1,591,000
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<OTHER-SE>                                  10,248,000               7,828,000
<TOTAL-LIABILITY-AND-EQUITY>                30,413,000              51,598,000
<SALES>                                      5,828,000               5,741,000
<TOTAL-REVENUES>                             5,828,000               5,741,000
<CGS>                                        4,134,000               5,038,000
<TOTAL-COSTS>                                4,134,000               5,038,000
<OTHER-EXPENSES>                             2,544,000               4,055,000
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             108,000                 354,000
<INCOME-PRETAX>                               (958,000)             (3,706,000)
<INCOME-TAX>                                         0               1,556,000
<INCOME-CONTINUING>                           (958,000)            (2,150,000)  
<DISCONTINUED>                                       0              9,649,000
<EXTRAORDINARY>                                      0                      0
<CHANGES>                                            0                      0
<NET-INCOME>                                  (958,000)             7,499,000
<EPS-PRIMARY>                                     (.06)                   .46
<EPS-DILUTED>                                     (.06)                   .46