<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>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               DEC-31-1994
<CASH>                                           6,019
<SECURITIES>                                         0
<RECEIVABLES>                                    2,502
<ALLOWANCES>                                         0
<INVENTORY>                                      2,099
<CURRENT-ASSETS>                                11,239
<PP&E>                                          13,843
<DEPRECIATION>                                  11,918
<TOTAL-ASSETS>                                  13,284
<CURRENT-LIABILITIES>                            2,385
<BONDS>                                              0
<COMMON>                                         5,926
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                       4,833
<TOTAL-LIABILITY-AND-EQUITY>                    13,284
<SALES>                                         23,427
<TOTAL-REVENUES>                                23,427
<CGS>                                           12,737
<TOTAL-COSTS>                                   12,737
<OTHER-EXPENSES>                                 8,110
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (154)
<INCOME-PRETAX>                                  2,734
<INCOME-TAX>                                        89
<INCOME-CONTINUING>                              2,645
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,645
<EPS-PRIMARY>                                      .62
<EPS-DILUTED>                                      .62