Going Concern - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Going Concern [Abstract]
Net income (loss)	$ (4,600,476)	$ (7,305,954)	$ (10,414,022)	$ (19,784,100)