Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Licensing revenue		$ 19,107		$ 38,214
Total revenues		19,107		38,214
Operating Expenses:
Research and development	$ 797,761	1,650,761	$ 1,629,094	2,916,963
Selling, general and administrative	1,360,796	$ 2,184,480	2,843,061	$ 3,507,642
Impairment charge	9,625,000		9,625,000
Loss (gain) on disposal of property and equipment	130,594	$ (1,500)	239,434	$ (1,500)
Depreciation and amortization	361,616	98,892	448,320	198,792
Total operating expenses	12,275,767	3,932,633	14,784,909	6,621,897
Loss from operations	(12,275,767)	(3,913,526)	(14,784,909)	(6,583,683)
Other Income (Expense):
Gain (loss) on revaluation of derivative warrant liability	250,000	$ 393,000	(7,845)	$ 533,000
Financing gain (loss)	1,177,000		(4,357,000)
Interest expense	(2,001)	$ (243,450)	(4,726)	$ (486,334)
Other	8,170		8,170
Other income (expense), net	1,433,169	$ 149,550	(4,361,401)	$ 46,666
Net loss	$ (10,842,598)	$ (3,763,976)	$ (19,146,310)	$ (6,537,017)
Net loss per common share, basic and diluted	$ (0.97)	$ (0.31)	$ (1.69)	$ (0.55)
Basic and diluted weighted average common shares outstanding	11,128,275	12,070,548	11,337,272	11,965,306