v3.26.3
Note 4 - Inventory (Tables)
3 Months Ended
Aug. 31, 2026
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

August 31,

   

May 31,

 
   

2026

   

2026

 

Raw materials

  $ 1,947,606     $ 2,000,047  

Finished goods

    572,339       687,690  

Total inventory

  $ 2,519,945     $ 2,687,737