Liquidity and Continued Operations (Details) (USD $)	1 Months Ended		3 Months Ended	12 Months Ended			98 Months Ended
	May 31, 2013	Apr. 30, 2013	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013	Sep. 30, 2013	Sep. 19, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 Series A Preferred Stock [Member]	Aug. 31, 2013 Series A Preferred Stock [Member]	Aug. 15, 2013 Series A Preferred Stock [Member]	Jun. 30, 2013 Series A Preferred Stock [Member]	Jun. 17, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Dec. 31, 2013 Series B Preferred Stock [Member]	Nov. 30, 2013 Series B Preferred Stock [Member]	Oct. 31, 2013 Series B Preferred Stock [Member]	Dec. 31, 2012 Series B Preferred Stock [Member]	Nov. 30, 2013 Sale of Stock Tranche One [Member] Series B-1 Preferred Stock [Member]	Oct. 31, 2013 Sale of Stock Tranche One [Member] Series B-1 Preferred Stock [Member]	Oct. 31, 2013 Subsequent Event [Member] Sale of Stock Tranche One [Member] Series B-1 Preferred Stock [Member]	Feb. 07, 2014 Subsequent Event [Member] Sale of Stock Tranche Two [Member] Series B-1 Preferred Stock [Member]	Feb. 28, 2014 Subsequent Event [Member] Sale of Stock Tranche Two [Member] Series B Preferred Stock [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Cash and investments			$ 3,300,000	$ 3,300,000			$ 3,300,000
Working capital			1,170,000	1,170,000	12,804,000		1,170,000	2,618,000		4,057,000	7,790,000	19,092,000	13,601,000	19,041,000
Secondary public offering, shares (in shares)	2,500,000	2,500,000
Proceeds from issuance of common stock	1,400,000	1,425,000
Preferred stock, shares issued (in shares)															750,000	625,000	750,000	750,000	125,000		500		1,000		500	500	500	500
Number of securities called by warrants																2,187,500	2,625,000	2,625,000	437,500
Preferred stock, value issued															36	5,000,000	6,000,000	6,000,000	1,000,000	0	0	10,000,000	10,000,000	0	5,000,000	5,000,000	5,000,000	5,000,000	5,000,000
Net cash (used in) operating activities			(5,400,000)	(20,349,586)	(17,661,541)	(19,931,467)	(109,923,761)
Average quarterly net cash provided by (used in) operating activities				(5,100,000)
Notes payable			6,400,000	6,400,000			6,400,000
Total payments due in next year			$ 700,000	$ 700,000			$ 700,000
Minimum bid price requirement for continued listing (in dollars per share)									$ 1.00