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Note 4 - Inventories (Tables)
3 Months Ended
Jan. 31, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

January 31,

   

October 31,

 
   

2025

   

2024

 

Finished goods

  $ 5,649,863     $ 5,098,148  

Work in process

    3,534,298       3,724,999  

Raw materials

    9,419,201       9,562,563  

Production supplies

    495,081       339,607  

Total

  $ 19,098,443     $ 18,725,317