<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                       2,599,000
<SECURITIES>                                 1,800,000
<RECEIVABLES>                                2,753,000
<ALLOWANCES>                                         0
<INVENTORY>                                  3,353,000
<CURRENT-ASSETS>                            12,879,000
<PP&E>                                      15,185,000
<DEPRECIATION>                              11,921,000
<TOTAL-ASSETS>                              16,932,000
<CURRENT-LIABILITIES>                        6,148,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        37,000
<OTHER-SE>                                   9,839,000
<TOTAL-LIABILITY-AND-EQUITY>                16,932,000
<SALES>                                      6,131,000
<TOTAL-REVENUES>                                     0
<CGS>                                        4,607,000
<TOTAL-COSTS>                                1,859,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              36,000
<INCOME-PRETAX>                              (291,000)
<INCOME-TAX>                                 (101,000)
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (101,000)
<EPS-PRIMARY>                                    (.07)
<EPS-DILUTED>                                        0