<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>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                             581
<SECURITIES>                                    16,062
<RECEIVABLES>                                    8,216
<ALLOWANCES>                                         0
<INVENTORY>                                     13,887
<CURRENT-ASSETS>                                39,913
<PP&E>                                          39,130
<DEPRECIATION>                                (16,546)
<TOTAL-ASSETS>                                  64,235
<CURRENT-LIABILITIES>                           17,335
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,343
<OTHER-SE>                                      33,315
<TOTAL-LIABILITY-AND-EQUITY>                    64,235
<SALES>                                          8,321
<TOTAL-REVENUES>                                 8,321
<CGS>                                            8,837
<TOTAL-COSTS>                                    8,837
<OTHER-EXPENSES>                                   543
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 202
<INCOME-PRETAX>                                (1,261)
<INCOME-TAX>                                     (480)
<INCOME-CONTINUING>                              (781)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     (781)
<EPS-PRIMARY>                                      .06
<EPS-DILUTED>                                      .06