<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information 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>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                             758
<SECURITIES>                                    19,032
<RECEIVABLES>                                    2,771
<ALLOWANCES>                                         0
<INVENTORY>                                      6,337
<CURRENT-ASSETS>                                30,116
<PP&E>                                          35,506
<DEPRECIATION>                                (14,814)
<TOTAL-ASSETS>                                  52,056
<CURRENT-LIABILITIES>                           10,270
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,341
<OTHER-SE>                                      31,038
<TOTAL-LIABILITY-AND-EQUITY>                    52,056
<SALES>                                          3,038
<TOTAL-REVENUES>                                 3,038
<CGS>                                            2,810
<TOTAL-COSTS>                                    2,810
<OTHER-EXPENSES>                                   614
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  71
<INCOME-PRETAX>                                  (457)
<INCOME-TAX>                                     (171)
<INCOME-CONTINUING>                              (286)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     (286)
<EPS-PRIMARY>                                    (.02)
<EPS-DILUTED>                                    (.02)