Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Option Revenue	$ 726,291	$ 377,453
Research and development	1,829,062	2,636,999
General and administrative	987,248	1,006,130
Depreciation and amortization	72,589	96,982
Operating loss	(2,162,608)	(3,362,658)
Interest income, net	108	731
Other income and expense, net	2,106	11,047
Net loss	$ (2,160,394)	$ (3,350,880)
Basic and diluted loss per share	$ (0.31)	$ (0.95)
Weighted average shares outstanding - Basic and diluted	6,982,909	3,529,344