Annual report pursuant to Section 13 and 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
May 31, 2019
May 31, 2018
FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities $ 0 $ 1,265,751
Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 0 0
Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 0 0
Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities $ 0 $ 1,265,751