Consolidated Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Licensing revenue	$ 19,107	$ 22,557
Total revenues	19,107	22,557
Operating Expenses:
Research and development	1,149,942	3,219,723
Selling, general and administrative	1,539,322	2,299,447
Total operating expenses	2,689,264	5,519,170
Loss from operations	(2,670,157)	(5,496,613)
Other Income (Expense):
Interest income	356	1,083
Interest expense	(243,240)	(3,173,781)
Gain on revaluation of derivative warrant liability	140,000	1,680,986
Other income (expense), net	(102,884)	(1,491,712)
Net loss	$ (2,773,041)	$ (6,988,325)
Net loss per common share, basic and diluted	$ (0.23)	$ (1.30)
Basic and diluted weighted average common shares outstanding	11,858,894	5,373,477