CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jul. 31, 2013	Jan. 31, 2013
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	105,237,779	100,920,350
Common stock, shares outstanding	105,237,779	100,920,350