WARRANTS OUTSTANDING (Details) - USD ($)	12 Months Ended
	May. 31, 2011	May. 31, 2010	May. 31, 2009	May. 31, 2014	May. 31, 2013	May. 31, 2012	May. 31, 2008
WARRANTS OUTSTANDING DETAILS
Number of common stock purchase warrants outstanding							10,000
Exercise price of Warrants	$ 2.50		$ 40
Number of units sold to an investor for cash	50,000	20,252	10,000
Price per unit sold	$ 2		$ 25
Value of units sold		$ 1,250,000	$ 250,000
Amount assigned to the common stock as the warrants are non-detachable.			$ 250,000
Year-end balance of warrants				0	50,000	70,252
Warrants expired during the period				50,000	20,252	10,000
Common stock exercise prices minimum range		$ 20
Common stock exercise prices maximum range		125
Minimum range per unit sold to investors for cash		17
Maximum range per unit sold to investors for cash		$ 100
Warrants at the end of period	80,252	40,252	20,000