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

September 30,
2023

   

December 31,
2022

 

Land

  $ 6,141     $ 6,215  

Buildings

    119,519       119,197  

Machinery and equipment

    227,226       212,581  
    $ 352,886     $ 337,993  

Less accumulated depreciation

    (217,286 )     (209,353

)

Property, plant and equipment, net

  $ 135,600     $ 128,640