Quarterly report pursuant to Section 13 or 15(d)

Inventory (Tables)

v3.20.2
Inventory (Tables)
3 Months Ended
Aug. 31, 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:


   

August 31,

   

May 31,

 
   

2020

   

2020

 

Raw materials

  $ 106,405     $ 134,697  

Finished goods

    611,639       440,545  

Total

  $ 718,044     $ 575,242