Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Licensing revenue	$ 125,000	$ 125,000
Operating expenses:
Research and development	2,893,168	3,203,177
General and administrative	2,433,857	1,688,729
Total operating expenses	5,327,025	4,891,906
Loss from operations	(5,202,025)	(4,766,906)
Net loss attributable to common shareholders	(5,422,693)	(5,252,384)
Net loss attributable to common shareholders per common share – basic and diluted (in Dollars per share)	$ (0.33)	$ (0.55)
Weighted average shares outstanding – basic and diluted (in Shares)	16,371,097	9,554,668
Other income (expense):
Gain from change in valuation of common stock warrant liability	3,026	4,280,297
Investment income, net	7,019	16,563
Interest expense	(230,713)	(180,928)
Total other (expense) income, net	(220,668)	4,115,932
Net Loss [Member]
Operating expenses:
Loss from operations	(5,422,693)	(650,974)
Non-cash deemed dividend from beneficial conversion feature on convertible preferred stock		$ (4,601,410)