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Note 6 - Inventories (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

December 31,

 
  

2022

  

2021

 

Raw materials

 $71,024  $67,127 

Work in progress

  44,814   31,103 

Finished goods

  48,543   41,153 

Inventories

 $164,381  $139,383