Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Licensing revenue	$ 19,107	$ 22,557	$ 57,321	$ 67,671
Total revenues	19,107	22,557	57,321	67,671
Operating Expenses:
Research and development	1,200,590	2,756,005	4,348,752	9,994,877
Selling, general and administrative	1,731,868	2,192,412	5,207,103	6,590,206
Total operating expenses	2,932,458	4,948,417	9,555,855	16,585,083
Loss from operations	(2,913,351)	(4,925,860)	(9,498,534)	(16,517,412)
Other Income (Expense):
Interest income	181	877	915	2,580
Interest expense	(3,064,414)	(242,062)	(3,551,482)	(3,657,921)
Gain on disposals of assets			1,500
Gain (loss) on revaluation of derivative warrant liability	473,000	(70,000)	1,006,000	4,605,986
Other income (expense), net	(2,591,233)	(311,185)	(2,543,067)	950,645
Net loss	$ (5,504,584)	$ (5,237,045)	$ (12,041,601)	$ (15,566,767)
Net loss per common share, basic and diluted	$ (0.43)	$ (0.49)	$ (0.99)	$ (2.06)
Basic and diluted weighted average common shares outstanding	12,660,182	10,688,781	12,199,476	7,571,733