Quarterly report pursuant to Section 13 or 15(d)

Inventory (Tables)

v3.20.4
Inventory (Tables)
6 Months Ended
Nov. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventory, consisting of material, overhead, labor, and manufacturing overhead, is stated at the lower of cost (first-in, first-out) or market, and consists of the following:


   

November 30,

   

May 31,

 
   

2020

   

2020

 

Raw materials

  $ 527,984     $ 134,697  

Finished goods

    860,416       440,545  

Total

  $ 1,388,400     $ 575,242