<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME
STATEMENT FOR THE THREE-MONTH PERIOD ENDED MARCH 31, 1996, AND THE BALANCE SHEET
AS OF MARCH 31, 1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                           8,986
<SECURITIES>                                         0
<RECEIVABLES>                                    9,699
<ALLOWANCES>                                       340
<INVENTORY>                                      6,620
<CURRENT-ASSETS>                                27,806
<PP&E>                                          13,207
<DEPRECIATION>                                   8,298
<TOTAL-ASSETS>                                  36,226
<CURRENT-LIABILITIES>                            7,625
<BONDS>                                             33
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            67
<OTHER-SE>                                      28,393
<TOTAL-LIABILITY-AND-EQUITY>                    36,226
<SALES>                                          9,170
<TOTAL-REVENUES>                                11,915
<CGS>                                            3,213
<TOTAL-COSTS>                                    4,408
<OTHER-EXPENSES>                                 5,436
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  14
<INCOME-PRETAX>                                  2,172
<INCOME-TAX>                                       826
<INCOME-CONTINUING>                              1,346
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,346
<EPS-PRIMARY>                                      .19
<EPS-DILUTED>                                      .19