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Note 10 - Inventories (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

June 30,

   

December 31,

 
   

2024

   

2023

 

Finished goods

  $ 17,368     $ 25,854  

Raw materials, equipment spares and consumables

    139,525       99,011  

Work-in-progress

    14,600       18,460  

Total

  $ 171,493     $ 143,325