General form of registration statement for all companies including face-amount certificate companies

Inventory (Details) - Schedule of Inventory, Current

v3.20.4
Inventory (Details) - Schedule of Inventory, Current - USD ($)
Nov. 30, 2020
May 31, 2020
May 31, 2019
Schedule of Inventory, Current [Abstract]      
Raw materials $ 527,984 $ 134,697 $ 323,635
Finished goods 860,416 440,545 423,198
Total $ 1,388,400 $ 575,242 $ 746,833