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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

 
  

2023

  

2022

 
         

Land and improvements

 $25,064  $23,981 

Buildings

  54,036   51,389 

Leasehold improvements

  3,182   3,182 

Machinery and equipment

  155,278   149,971 

Equipment under finance lease

  8,519   3,849 
   246,079   232,372 

Less accumulated depreciation and amortization

  (126,359)  (117,856)
   119,720   114,516 

Construction in progress

  24,235   18,650 

Property and equipment, net

 $143,955  $133,166