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Note 4 - Inventories (Tables)
9 Months Ended
Jul. 31, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
     

July 31,

   

October 31,

 
     

2023

   

2022

 

Finished goods

  $ 6,627,296     $ 3,894,102  

Work in process

    4,786,607       4,054,789  

Raw materials

    13,173,562       11,093,140  

Production supplies

    358,868       396,735  

Total

  $ 24,946,333     $ 19,438,766