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Inventory (Tables)
12 Months Ended
May 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consists of the following as of May 31:

 

   2019   2018 
Raw materials  $1,295,991   $864,339 
Finished pallets   1,325,000    2,224,928 
           
Total Inventory  $2,620,991   $3,089,267