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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Reconciliation of the numerators and denominators of the basic and diluted earnings per share computations - USD ($)	12 Months Ended
	May 31, 2019	May 31, 2018
Reconciliation of the numerators and denominators of the basic and diluted earnings per share computations [Abstract]
Net loss for basic and diluted net loss per common share (in Dollars)	$ (2,393,060)	$ (1,465,828)
Denominator for basic net loss per common share	9,212,557	8,570,029
Effect of dilutive securities:
Options
Denominator for diluted net loss per common share	9,212,557	8,570,029
Basic net loss per common share (in Dollars per share)	$ (0.26)	$ (0.17)
Diluted net loss per common share (in Dollars per share)	$ (0.26)	$ (0.17)

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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