Going Concern - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Going Concern [Line Items]
Working capital (deficit)	$ 10,100,000
Stockholders' deficit	(31,517,491)	$ (22,778,496)
Accumulated deficit	(86,158,045)	(75,558,859)
12% secured notes	6,394,664	1,950,000
12% convertible promissory notes	1,000,000	$ 965,838
Investor [Member]
Going Concern [Line Items]
Shares Retained Debt Cancellation Agreement	19,700,000
Noteholder [Member]
Going Concern [Line Items]
12% secured notes	2,400,000
12% convertible promissory notes	$ 300,000