STOCK OPTIONS (Details 1) (USD $)	12 Months Ended
	May 31, 2013	May 31, 2012
STOCK OPTIONS [Abstract]
Options outstanding	2,450,000	1,400,000
Options outstanding - Weighted average exercise price	$ 0.16	$ 0.53
Options outstanding - Remaining Contractual Life (years)	7 years 9 months
Options awarded	2,100,000
Options awarded - Weighted average exercise price	$ 0.12
Options expired	(1,050,000)
Options expired - Weighted average exercise price	$ 0.61
Options excercisable	875,000
Options excercisable - Weighted average exercise price	$ 0.23
Options excercisable - Remaining Contractual Life (years)	5 years 8 months
Options excercisable - Intrinsic Value	$ 99,750
Non-vested options	1,575,000
Non-vested options - Weighted average exercise price	$ 0.12
Non-vested options - Remaining Contractual Life (years)	9 years
Non-vested options - Intrinsic Value	$ 299,250