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Note 10 - Inventories (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,

 
  

2023

  

2022

 

Finished goods

 $25,854  $26,810 

Raw materials, equipment spares and consumables

  99,011   102,395 

Work-in progress

  18,460   24,513 

Total

 $143,325  $153,718