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Accounts Payable and Accrued Expenses (Tables)
3 Months Ended
Aug. 31, 2018
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

August 31,

2018

May 31,

2018

Accounts payable

$

548,283

 

$

655,599

Deferred rent

 

34,690

 

31,357

Total

$

582,973

 

$

686,956