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Significant Accounting Policies (Details) - Reconciliation of the numerators and denominators of the basic and diluted earnings per share - USD ($)	3 Months Ended		6 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2017	Nov. 30, 2016
Numerator:
Loss from continuing operations (in Dollars)	$ (268,661)	$ (202,887)	$ (475,720)	$ (258,600)
Denominator for basic loss Per common share	8,519,784	8,189,066	8,515,499	8,208,672
Effect of dilutive securities:
Options
Denominator for diluted loss per common share	8,519,784	8,189,066	8,515,499	8,208,672
Basic loss per common share (in Dollars per share)	$ (0.03)	$ (0.02)	$ (0.06)	$ (0.03)
Diluted loss per common share (in Dollars per share)	$ (0.03)	$ (0.02)	$ (0.06)	$ (0.03)

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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 share based payment arrangements using the treasury stock method.

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