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Note 3 - Inventory (Tables)
6 Months Ended
Nov. 30, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

November 30,

   

May 31,

 
   

2024

   

2024

 

Raw material

  $ 2,195,374     $ 2,040,348  

Finished goods

    1,309,146       1,831,278  

Total inventory

  $ 3,504,520     $ 3,871,626