SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1)	12 Months Ended
	May 31, 2013	May 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Options to purchase common stock	350,000	1,400,000
Convertible preferred stock	3,333,333	3,333,333
Antidilutive securities	3,683,333	4,733,333