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Note 5 - Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

September 30,
2022

   

December 31,

2021

 

Land

  $ 6,072     $ 5,813  

Buildings

    117,909       112,760  

Machinery and equipment

    208,997       188,123  
      332,978       306,696  

Less accumulated depreciation

    (205,180 )     (202,403

)

Property, plant and equipment, net

  $ 127,798     $ 104,293