Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2016
Schedule of expenses relating to employee and non-employee stock-based awards

        The Company's results of operations include expenses relating to employee and non-employee stock-based awards as follows (in thousands):

                                                                                                                                                                                    

 

 

Year Ended
December 31,
2016

 

Year Ended
December 31,
2015

 

Period from
January 27,
2014 (inception)
to December 31,
2014

 

Research and development

 

$

1,685 

 

$

292 

 

$

 

General and administrative

 

 

2,143 

 

 

136 

 

 

 

​  

​  

​  

​  

​  

​  

Total

 

$

3,828 

 

$

428 

 

$

 

​  

​  

​  

​  

​  

​  

​  

​  

​  

​  

​  

​  

 

Schedule of fair value of share-based awards to employees was estimated using Black Scholes model

 

 

 

Year Ended
December 31,
2016

 

Year Ended
December 31,
2015

 

Period from
January 27,
2014 (inception)
to December 31,
2014

 

Risk-free interest rate

 

 

1.6 

%

 

1.7 

%

 

1.7 

%

Expected volatility

 

 

84.6 

%

 

83.3 

%

 

97.0 

%

Expected term (in years)

 

 

 

 

6.1 

 

 

6.1 

 

Expected divident yield

 

 

%

 

%

 

%

 

Non-employees  
Schedule of fair value of share-based awards to employees was estimated using Black Scholes model

 

 

 

Year Ended
December 31,
2016

 

Year Ended
December 31,
2015

Risk-free interest rate

 

1.90% - 1.94%

 

1.8% - 2.2%

Expected volatility

 

92.1% - 92.7%

 

82% - 84.7%

Expected term (in years)

 

8.1 - 8.6

 

9.1 - 10.0

Expected divident yield

 

0%

 

0%