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Inventory (Details Narrative) - USD ($)
3 Months Ended
Aug. 31, 2019
Aug. 31, 2018
May 31, 2019
Inventory Disclosure [Abstract]      
Inventory held at third party locations $ 556   $ 13,176
Write Down of Inventory for Obsolescence which is included in Cost of Sales 769 $ 969  
Inventory in Transit   $ 3,450