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Note 2 - Inventories (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule Of Inventory Current And Non Current [Table Text Block]
  

March 31, 2024

  

December 31, 2023

 
         

Raw materials

 $71,801  $68,110 

Work-in-process

  9,084   8,912 

Finished goods

  13,274   11,911 

Supplies

  2,322   2,296 

Total inventories

 $96,481  $91,229