<ARTICLE> 5
<LEGEND>
This schedule contains summary financialinformation extracted from the balance
sheet, income statement, and footnotes and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                             693
<SECURITIES>                                    20,127
<RECEIVABLES>                                    4,303
<ALLOWANCES>                                         0
<INVENTORY>                                      3,430
<CURRENT-ASSETS>                                29,872
<PP&E>                                          30,838
<DEPRECIATION>                                (14,568)
<TOTAL-ASSETS>                                  47,369
<CURRENT-LIABILITIES>                            5,186
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,341
<OTHER-SE>                                      31,391
<TOTAL-LIABILITY-AND-EQUITY>                    47,369
<SALES>                                         18,960
<TOTAL-REVENUES>                                18,960
<CGS>                                           13,591
<TOTAL-COSTS>                                   13,591
<OTHER-EXPENSES>                                 2,266
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 295
<INCOME-PRETAX>                                  2,808
<INCOME-TAX>                                     1,123
<INCOME-CONTINUING>                              1,685
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,685
<EPS-PRIMARY>                                      .13
<EPS-DILUTED>                                      .13