v3.26.1
Note 4 - Inventory (Tables)
12 Months Ended
May 31, 2026
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

May 31,

   

May 31,

 
   

2026

   

2025

 

Raw materials

  $ 2,000,047     $ 2,137,159  

Finished goods

    687,690       1,346,879  

Total inventory

  $ 2,687,737     $ 3,484,038