CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balances at May. 31, 2014	$ 603,496	$ 18,309,154	$ (10,149)	$ (12,988,032)	$ 5,914,469
Balances (in Shares) at May. 31, 2014	7,543,714
Exercise of stock options	$ 1,840	7,720			$ 9,560
Exercise of stock options (in Shares)	23,000				23,000
Foreign currency translation			(2,115)		$ (2,115)
Compensation expense in connection with options granted		10,016			10,016
Net loss				(331,410)	(331,410)
Balances at May. 31, 2015	$ 605,336	18,326,890	(12,264)	(13,319,442)	5,600,520
Balances (in Shares) at May. 31, 2015	7,566,714
Exercise of stock options	$ 21,570	88,366			$ 109,936
Exercise of stock options (in Shares)	269,625				269,625
Foreign currency translation			(1,322)		$ (1,322)
Private Placement	$ 26,667	969,311			995,978
Private Placement (in Shares)	333,334
Compensation expense in connection with options granted		15,153			15,153
Net loss				(1,499,787)	(1,499,787)
Balances at May. 31, 2016	$ 653,573	$ 19,399,720	$ (13,586)	$ (14,819,229)	$ 5,220,478
Balances (in Shares) at May. 31, 2016	8,169,673