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Note 5 - Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

June 30,
2023

   

December 31,
2022

 

Land

  $ 6,210     $ 6,215  

Buildings

    120,149       119,197  

Machinery and equipment

    224,510       212,581  
    $ 350,869     $ 337,993  

Less accumulated depreciation

    (214,822 )     (209,353

)

Property, plant and equipment, net

  $ 136,047     $ 128,640