Warrants - Additional Information (Detail) (USD $)	1 Months Ended			6 Months Ended	9 Months Ended
Warrants - Additional Information (Detail) (USD $)	Aug. 31, 2014	Jun. 30, 2013	Oct. 31, 2009	Jun. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Class of Warrant or Right [Line Items]
Warrant exercise term	5 years		5 years
Number of common stock called by warrants	162,539	301,778	27,839				301,778
Warrants exercise price per share	$ 1.00	$ 0.66	$ 0.60
Warrants, fair value adjustment				$ 28,448	$ 28,448	$ 21,910
Estimated Fair value of warrants	55,000
Additional warrants issued		48,222
2014 Private Placement [Member]
Class of Warrant or Right [Line Items]
Warrant exercise term					5 years
Number of common stock called by warrants					10,260,000
Placement Agent Member \| 2014 Private Placement [Member]
Class of Warrant or Right [Line Items]
Warrant exercise term					5 years
Number of common stock called by warrants					2,047,000
Warrants exercise price per share					$ 1.00
Series A- Convertible Preferred Stock [Member] \| Investors And Former Holders Of Series A Convertible Preferred Stock [Member] \| 2014 Private Placement [Member]
Class of Warrant or Right [Line Items]
Warrant exercise term					5 years
Number of common stock called by warrants					11,177,612
Warrants exercise price per share					$ 1.00
Interest Expense [Member]
Class of Warrant or Right [Line Items]
Warrants, fair value adjustment			1,005
General and Administrative Expense [Member]
Class of Warrant or Right [Line Items]
Estimated Fair value of warrants		$ 21,910