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Accounts Payable and Accrued Expenses (Tables)
9 Months Ended
Feb. 29, 2020
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

     

February 29,

2020

 May 31,

 2019

Accounts payable

$

1,267,662

 

$

999,593

Deferred rent

 

--

 

37,972

Total              

$

1,267,662

 

$

1,037,565