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Note 3 - Inventories (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

December 31,

 
  

2025

  

2024

 

Inventories:

        

Raw materials

 $26,764  $31,743 

Work in process

  48,705   50,779 

Finished goods

  2,187   2,555 
  $77,656  $85,077