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Significant Accounting Policies (Details) - Reconciliation of the numerators and denominators of the basic and diluted earnings per share computations - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Numerator:
Net loss (in Dollars)	$ (304,141)	$ (135,002)	$ (562,741)	$ (274,105)
Denominator for basic loss per common share	8,433,932	7,617,272	8,269,791	7,595,273
Effect of dilutive securities:
Options and warrants
Denominator for diluted loss per common share	8,433,932	7,617,272	8,269,791	7,595,273
Basic net loss per common share (in Dollars per share)	$ (0.04)	$ (0.02)	$ (0.07)	$ (0.04)
Diluted net loss per common share (in Dollars per share)	$ (0.04)	$ (0.02)	$ (0.07)	$ (0.04)

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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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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