CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	May 31, 2012	May 31, 2011
CONSOLIDATED BALANCE SHEETS [Abstract]
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, par value per share	$ 0.00001	$ 0.00001
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, shares authorized	150,000,000	150,000,000
Common stock, par value per share	$ 0.00001	$ 0.00001
Common stock, shares issued	103,307,633	78,100,646
Common stock, shares outstanding	103,307,633	78,100,646