<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               MAR-31-1995
<CASH>                                           7,019
<SECURITIES>                                     1,014
<RECEIVABLES>                                    8,215
<ALLOWANCES>                                       540
<INVENTORY>                                      7,221
<CURRENT-ASSETS>                                23,962
<PP&E>                                          12,743
<DEPRECIATION>                                   9,584
<TOTAL-ASSETS>                                  27,882
<CURRENT-LIABILITIES>                            6,700
<BONDS>                                              0
<COMMON>                                        37,074
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                    (15,493)
<TOTAL-LIABILITY-AND-EQUITY>                    21,157
<SALES>                                          9,215
<TOTAL-REVENUES>                                 9,215
<CGS>                                            4,383
<TOTAL-COSTS>                                    4,383
<OTHER-EXPENSES>                                 4,644
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                (99)
<INCOME-PRETAX>                                    287
<INCOME-TAX>                                        36
<INCOME-CONTINUING>                                251
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       251
<EPS-PRIMARY>                                      .04
<EPS-DILUTED>                                      .04