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Note 7 - Property, Plant and Equipment, Net (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

September 30,

  

December 31,

 
  

2022

  

2021

 

Land

 $1,082  $1,105 

Buildings and improvements

  21,058   20,915 

Machinery and equipment

  120,501   120,961 

Construction in progress

  3,135   5,081 
   145,776   148,062 

Accumulated depreciation

  (110,549)  (109,852)

Property, plant and equipment, net

 $35,227  $38,210