<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the balance
sheet, income statement, and footnotes and is qualified inits entirety by
reference to such financial statements.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                             123
<SECURITIES>                                    20,140
<RECEIVABLES>                                    4,615
<ALLOWANCES>                                         0
<INVENTORY>                                      4,187
<CURRENT-ASSETS>                                30,218
<PP&E>                                          29,919
<DEPRECIATION>                                (14,256)
<TOTAL-ASSETS>                                  47,385
<CURRENT-LIABILITIES>                            5,701
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,341
<OTHER-SE>                                      30,883
<TOTAL-LIABILITY-AND-EQUITY>                    47,385
<SALES>                                         11,703
<TOTAL-REVENUES>                                11,703
<CGS>                                            9,075
<TOTAL-COSTS>                                    9,075
<OTHER-EXPENSES>                                 1,427
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 182
<INCOME-PRETAX>                                  1,019
<INCOME-TAX>                                       407
<INCOME-CONTINUING>                                612
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       612
<EPS-PRIMARY>                                      .05
<EPS-DILUTED>                                      .05