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<PERIOD-TYPE>                                                        3-MOS
<FISCAL-YEAR-END>                                                                                       DEC-31-1998
<PERIOD-END>                                                                                            MAR-31-1998
<CASH>                                                                                                        1,830
<SECURITIES>                                                                                                      0
<RECEIVABLES>                                                                                                 8,880
<ALLOWANCES>                                                                                                      0
<INVENTORY>                                                                                                   4,762
<CURRENT-ASSETS>                                                                                             16,765
<PP&E>                                                                                                       19,492
<DEPRECIATION>                                                                                               11,591
<TOTAL-ASSETS>                                                                                               43,516
<CURRENT-LIABILITIES>                                                                                         9,562
<BONDS>                                                                                                       8,689
<PREFERRED-MANDATORY>                                                                                             0
<PREFERRED>                                                                                                       0
<COMMON>                                                                                                      3,458
<OTHER-SE>                                                                                                   18,661
<TOTAL-LIABILITY-AND-EQUITY>                                                                                 43,516
<SALES>                                                                                                      16,031
<TOTAL-REVENUES>                                                                                             16,031
<CGS>                                                                                                         9,501
<TOTAL-COSTS>                                                                                                15,581
<OTHER-EXPENSES>                                                                                                  0
<LOSS-PROVISION>                                                                                                  0
<INTEREST-EXPENSE>                                                                                              192
<INCOME-PRETAX>                                                                                                 319
<INCOME-TAX>                                                                                                    118
<INCOME-CONTINUING>                                                                                             201
<DISCONTINUED>                                                                                                    0
<EXTRAORDINARY>                                                                                                   0
<CHANGES>                                                                                                         0
<NET-INCOME>                                                                                                    201
<EPS-PRIMARY>                                                                                                   .06
<EPS-DILUTED>                                                                                                   .06