Subsequent Events - Additional Information (Detail) (USD $)			1 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jan. 30, 2014 Private Placement	Sep. 30, 2014 Private Placement	Sep. 30, 2014 Series B Warrants Private Placement	Dec. 01, 2014 Series B Warrants Subsequent Event Minimum	Dec. 01, 2014 Series B Warrants Subsequent Event Maximum	Dec. 01, 2014 Series C Warrants Subsequent Event Minimum	Dec. 01, 2014 Series C Warrants Subsequent Event Maximum
Business Acquisition, Equity Interests Issued Or Issuable [Line Items]
Common stock, par or stated value per share	$ 0.001	$ 0.001		$ 0.001		$ 0.35	$ 0.20	$ 0.40	$ 0.20
Common stock, shares, outstanding	72,076,487	60,145,237		76,076,487
Proceeds from Issuance of Common Stock			$ 2,850,000	$ 800,000
Common stock aggregate issuance					4,000,000