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, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Numerator:
(Loss)income from continuing operations (in Dollars)	$ (243,357)	$ 236,919	$ (411,072)	$ 528,550
Denominator for basic net (loss) income Per common share	7,278,967	6,966,185	7,277,659	6,959,224
Effect of dilutive securities:
Options and warrants		418,954		322,978
Denominator for diluted net (loss) income per common share	7,278,967	7,385,139	7,277,659	7,282,202
Basic net (loss) income per common share (in Dollars per share)	$ (0.03)	$ 0.03	$ (0.06)	$ 0.08
Diluted net (loss) income per common share (in Dollars per share)	$ (0.03)	$ 0.03	$ (0.06)	$ 0.07