Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue:
Option Revenue	$ 726,291	$ 307,686	$ 1,830,036	$ 964,209
Research and development	2,420,220	3,173,538	7,853,076	9,393,887
General and administrative	1,023,848	917,335	3,375,602	2,987,582
Loss on disposition of assets	1,167	0	1,167	0
Depreciation and amortization	89,018	97,364	280,003	291,608
Operating loss	(2,807,962)	(3,880,551)	(9,679,812)	(11,708,868)
Interest income, net	2,222	2,498	5,290	11,982
Other income, net	11,760	0	32,781	0
Net loss	$ (2,793,980)	$ (3,878,053)	$ (9,641,741)	$ (11,696,886)
Basic and diluted loss per share	$ (0.42)	$ (1.11)	$ (1.75)	$ (3.38)
Weighted average shares outstanding - Basic and diluted	6,709,251	3,478,324	5,498,228	3,461,479