CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jan. 31, 2013	Apr. 30, 2012
Statement of Financial Position [Abstract]
Preferred stock par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	325,000,000	325,000,000
Common stock, shares outstanding	133,770,614	101,421,365