Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Condensed Consolidated Statements of Operations and Comprehensive Loss
Revenue	$ 0	$ 0	$ 0	$ 0
Operating expenses:
General and administrative	7,082,683	3,740,077	17,324,863	6,651,233
Research and development	14,097,713	6,289,350	40,542,323	18,756,214
Total operating expenses	21,180,396	10,029,427	57,867,186	25,407,447
Loss from operations	(21,180,396)	(10,029,427)	(57,867,186)	(25,407,447)
Interest income	98,588	88,769	230,313	94,410
Net loss	(21,081,808)	(9,940,658)	(57,636,873)	(25,313,037)
Comprehensive loss	$ (21,081,808)	$ (9,940,658)	$ (57,636,873)	$ (25,313,037)
Basic and diluted net loss per common share (in dollars per share)	$ (0.87)	$ (1.32)	$ (2.75)	$ (3.59)
Weighted-average basic and diluted common shares outstanding (in shares)	24,166,113	7,504,148	20,958,421	7,042,977

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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