Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Statement Of Financial Position [Abstract]
Preferred stock, par value	$ 0.0001	$ 0.0000
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	152,063,621	136,435,492
Common stock, shares outstanding	152,063,621	136,435,492