Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating expenses
General and administrative	$ 1,761,696	$ 1,618,139
Research and development	3,943,634	1,582,737
Total operating expenses	5,705,330	3,200,876
Net operating loss	5,705,330	3,200,876
Interest expense	0	1,823
Other income, net	(343,668)	(263,418)
Net loss	5,361,662	2,939,281
Unrealized gain on marketable securities	(140,237)	(177,939)
Total comprehensive loss	$ 5,221,425	$ 2,761,342
Net loss per share, basic and diluted	$ (0.19)	$ (0.10)
Weighted average number of common shares outstanding, basic and diluted	28,119,747	28,119,410