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Accounts Payable and Accrued Expenses (Tables)
6 Months Ended
Nov. 30, 2018
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

      

November 30,

2018

 

 May 31,

 2018

 

 

 

 

 

 

 

 

Accounts payable

$

764,762

 

$

655,599

Deferred rent

 

35,708

 

 

31,357

Total              

$

800,470

 

$

686,956