Statements of Operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating expenses:
Research and development	$ 4,602,513	$ 2,397,898	$ 8,387,693	$ 7,895,352
General and administrative	1,446,371	923,491	3,603,528	2,903,468
Total operating expenses	6,048,884	3,321,389	11,991,221	10,798,820
Loss from operations	(6,048,884)	(3,321,389)	(11,991,221)	(10,798,820)
Other income (expense)
Interest expense	(392,009)	(378,228)	(1,173,723)	(1,134,684)
Interest income	1,288	152	1,425	1,584
Change in fair value of warrants	86,243	8,510	278,564	24,856
Loss before benefit from income taxes	(6,353,362)	(3,690,955)	(12,884,955)	(11,907,064)
Benefit from income taxes			3,652,485
Net loss	$ (6,353,362)	$ (3,690,955)	$ (9,232,470)	$ (11,907,064)
Net loss per common share:
Basic and Diluted (in dollars per share)	$ (0.34)	$ (71.67)	$ (1.03)	$ (245.88)
Weighted-average shares outstanding:
Basic and Diluted (in shares)	18,592,968	51,499	8,967,324	48,427