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

May 31,

   

November 30,

 
   

2025

   

2024

 

Raw materials

  $ 224,462     $ 215,936  

Finished goods

    271,126       251,562  

Total inventories

  $ 495,588     $ 467,498