Operating Matters and Liquidity - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended					1 Months Ended	3 Months Ended	1 Months Ended
	May 17, 2013	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Aug. 09, 2013	Jun. 29, 2012	May 17, 2013 Common Stock [Member]	Mar. 31, 2014 Common Stock [Member]	Jun. 29, 2012 Series B Preferred Stock [Member]
Line of Credit Facility [Line Items]
Accumulated deficit		$ (116,419,117)		$ (114,754,598)
Operating Income Loss		(1,666,512)	(1,087,593)
Stock Issued During Period Shares New Issues							43,715,847
Proceeds from Issuance of Private Placement	12,000,000						12,000,000		3,000,000
Common Stock Shares Authorized	150,000,000	300,000,000	150,000,000	300,000,000
Class Of Warrant Or Right Exercisable Percentage Immediately	63.00%
Class Of Warrant Or Right Exercisable Percentage Subject To Shareholder Approval	37.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	32,786,885
Class Of Warrant Or Right, Exercise Price Of Warrants Or Rights	0.2745					0.2745
Increase In Common Stock Shares Authorized	300,000,000				300,000,000
Additional Pro Rata InvestmentIn Common Stock And Warrants		$ 5,000,000						$ 5,000,000