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

Inventory (Details) - Schedule of Inventory, Current

v3.21.2
Inventory (Details) - Schedule of Inventory, Current - USD ($)
Feb. 28, 2021
May 31, 2020
May 31, 2019
Schedule of Inventory, Current [Abstract]      
Raw materials $ 419,462 $ 134,697 $ 323,635
Finished goods 550,194 440,545 423,198
Total $ 969,656 $ 575,242 $ 746,833