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Inventory (Tables)
12 Months Ended
May 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consists of the following as of May 31:

 

    2021     2020  
Raw materials   $ 2,520,654     $ 1,953,957  
Finished pallets     921,320       2,275,938  
                 
Total Inventory   $ 3,441,974     $ 4,229,895