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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

 
  

2021

  

2020

 
         

Land and improvements

 $22,909  $22,773 

Buildings

  49,361   47,663 
Leasehold improvements  3,057   - 

Machinery and equipment

  140,015   127,679 

Equipment under finance lease

  2,839   2,589 
   218,181   200,704 

Less accumulated depreciation and amortization

  (106,957

)

  (96,684

)

   111,224   104,020 

Construction in progress

  10,042   6,164 

Property and equipment, net

 $121,266  $110,184