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Note 3 - Inventory (Tables)
3 Months Ended
Aug. 31, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

August 31,

   

May 31,

 
   

2024

   

2024

 

Raw materials

  $ 1,985,224     $ 2,040,348  

Finished goods

    1,737,205       1,831,278  

Total inventory

  $ 3,722,429     $ 3,871,626