Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating expenses:
Research and development	$ 7,252,241	$ 3,875,467
General and administrative	11,094,146	2,522,370
Depreciation	25,342	8,268
Loss from operations	18,371,729	6,406,105
Interest expense, net	29,686	313,117
Loss from operations before income tax benefit	(18,401,415)	(6,719,222)
Income tax benefit	(364,796)
Net loss	$ (18,036,619)	$ (6,719,222)
Per share information:
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (1.76)	$ (2.56)
Weighted average shares outstanding, basic and diluted (in shares)	10,232,791	2,619,945