Quarterly report pursuant to Section 13 or 15(d)

Inventory (Tables)

v3.21.2
Inventory (Tables)
3 Months Ended
Aug. 31, 2021
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,

 
   

2021

   

2021

 

Raw materials

  $ 244,702     $ 344,085  

Finished goods

    1,437,818       883,967  

Total

  $ 1,682,520     $ 1,228,052