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Note 2 - Inventories (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule Of Inventory Current And Non Current [Table Text Block]
   

September 30, 2024

   

December 31, 2023

 
                 

Raw materials

  $ 61,552     $ 68,110  

Work-in-process

    8,293       8,912  

Finished goods

    12,660       11,911  

Supplies

    2,472       2,296  

Total inventories

  $ 84,977     $ 91,229