<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                           3,163
<SECURITIES>                                     3,560
<RECEIVABLES>                                   10,818
<ALLOWANCES>                                       129
<INVENTORY>                                     11,213
<CURRENT-ASSETS>                                31,122
<PP&E>                                          10,571
<DEPRECIATION>                                   4,646
<TOTAL-ASSETS>                                  40,658
<CURRENT-LIABILITIES>                            8,476
<BONDS>                                            164
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            54
<OTHER-SE>                                      30,202
<TOTAL-LIABILITY-AND-EQUITY>                    40,658
<SALES>                                          9,641
<TOTAL-REVENUES>                                 9,641
<CGS>                                            5,584
<TOTAL-COSTS>                                    5,584
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                    12
<INTEREST-EXPENSE>                                   6
<INCOME-PRETAX>                                    650
<INCOME-TAX>                                       234
<INCOME-CONTINUING>                                416
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       416
<EPS-PRIMARY>                                     0.08
<EPS-DILUTED>                                     0.08