Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock - based compensation awards granted

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Formation and operating	$	292,085	$	—	$	447,232	$	—
Research and development		30,900		—		52,396		—
Total stock-based compensation	$	322,985	$	—	$	499,628	$	—

Schedule of information about options

			Weighted
	Number		Average		Aggregate
	Stock		Exercise		Intrinsic
	Options		Price		Value
Outstanding at December 31, 2014		—	$	—
Granted		1,588,313	$	5.00
Exercised		—	$	—
Forfeited		—	$	—
Outstanding at September 30, 2016		1,588,313	$	5.00	$	14,294,817
Vested and exercisable at September 30, 2016		220,599	$	5.00	$	1,985,391
Vested or expected to vest at September 30, 2016		1,588,313	$	5.00

Employees and members of the board of directors

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of fair values of stock options granted using Black-Scholes valuation model assumptions

	Nine Months Ended September 30,
	2016			2015
Risk-free interest rate		1.40	%		—	%
Expected term of options (in years)		5.8			—
Expected stock price volatility		50	%		—	%
Expected dividend yield		0	%		—	%

Non-employees

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of fair values of stock options granted using Black-Scholes valuation model assumptions

	Nine Months Ended
	September 30,
	2016			2015
Risk-free interest rate		1.49% - 1.55	%		—%
Expected term of options (in years)		9.8 - 9.6			—%
Expected stock price volatility		60	%		—%
Expected dividend yield		0	%		—%