<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from
the applicable SEC Form and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                           8,504
<SECURITIES>                                         0
<RECEIVABLES>                                    4,188
<ALLOWANCES>                                         0
<INVENTORY>                                      3,159
<CURRENT-ASSETS>                                17,346
<PP&E>                                          23,305
<DEPRECIATION>                                  14,048
<TOTAL-ASSETS>                                  26,603
<CURRENT-LIABILITIES>                            4,618
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,926
<OTHER-SE>                                      13,742
<TOTAL-LIABILITY-AND-EQUITY>                    26,603
<SALES>                                         35,760
<TOTAL-REVENUES>                                35,760
<CGS>                                           18,027
<TOTAL-COSTS>                                   18,027
<OTHER-EXPENSES>                                10,240
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  53
<INCOME-PRETAX>                                  7,440
<INCOME-TAX>                                     2,594
<INCOME-CONTINUING>                              4,846
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,846
<EPS-PRIMARY>                                     1.14
<EPS-DILUTED>                                     1.14