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Note 5 - Inventories (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

December 31,

 
  

2023

  

2022

 
         

Finished goods

 $77,467  $67,006 

Work-in-process

  17,342   19,037 

Raw material and supplies

  52,437   50,458 
  $147,246  $136,501