Derivative Liabilities - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Derivative [Line Items]
Expected life	2 months 1 day
Volatility	35.00%
Risk-free interest rate	0.01%
10% Convertible Redeemable Preferred Stock
Derivative [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	58,352
Expected life	1 year
Volatility	85.00%
Risk-free interest rate	0.30%
Convertible preferred stock per share	$ 10
12% Convertible Promissory Notes
Derivative [Line Items]
Derivative liability at fair value	$ 176,000
Increase decrease in fair value of un hedged derivative instruments	107,000
Conversion Options | 8% Convertible promissory note
Derivative [Line Items]
Increase decrease in fair value of un hedged derivative instruments	2,000,000
Warrant | Placement Agent
Derivative [Line Items]
Warrants Not Settleable in Cash, Fair Value Disclosure	$ 121	$ 52,720