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Accounts Payable and Accrued Expenses (Details) - Accounts payable and accrued expense balances - USD ($)
Feb. 29, 2020
May 31, 2019
Accounts payable and accrued expense balances [Abstract]    
Accounts payable $ 1,267,662 $ 999,593
Deferred rent 37,972
Total $ 1,267,662 $ 1,037,565