Equity - Additional Information (Detail) (USD $)				3 Months Ended		0 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Warrant [Member]	Mar. 31, 2014 Minimum [Member]	Mar. 31, 2014 Maximum [Member]	Feb. 07, 2014 Gulfpointe Capital [Member]	Mar. 16, 2014 Chief Executive Officer [Member]	Mar. 12, 2014 Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option to purchase	5,952,460
Exercise prices per share				$ 0.25	$ 4.30
Class of Warrant or Right, exercised						83,333		375,000
Class of Warrant or Right, Exercise Price of Warrants or Rights						0.75		1.05
Proceeds from Warrant Exercises						$ 62,500		$ 393,750
Number Of Warrants Expired							250,000
Warrants to purchase common stock, shares	49,673,909	49,118,373	650,000
Warrants, exercise price				$ 1.43	$ 1.50