Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.10.0.1
Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2018
Stock-based Compensation  
Schedule of stock-based compensation related to all of the entity's share-based payments

Total stock-based compensation related to all of our share-based payments that we recognized for the three and nine months ended September 30, 2018 and 2017 were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended 

 

Nine Months Ended

 

 

 

September 30, 

 

September 30, 

 

 

 

2018

    

2017

 

2018

    

2017

 

Selling, general and administrative

 

$

2,194

 

$

591

 

$

3,913

 

$

1,950

 

Research and development

 

 

801

 

 

282

 

 

1,734

 

 

978

 

Total stock-based compensation expense

 

$

2,995

 

$

873

 

$

5,647

 

$

2,928

 

 

Summary of weighted-average assumptions relating to options granted pursuant to equity incentive plans

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended 

 

 

Nine Months Ended 

 

 

 

 

September 30, 

 

 

September 30, 

 

 

 

    

2018

    

2017

    

    

2018

    

2017

 

    

Risk-free interest rate

 

2.9

%  

2.1

%  

 

2.7

%  

2.2

%

 

Expected term (in years)

 

6.0

 

6.2

 

 

6.7

 

6.7

 

 

Dividend yield

 

0.0

%  

0.0

%  

 

0.0

%  

0.0

%

 

Expected volatility

 

67.9

%  

64.4

%  

 

65.1

%  

63.2

%

 

 

Summary of weighted-average assumptions used to calculate fair value of purchase rights granted under Employee Stock Purchase Plan

 

 

 

 

 

 

 

 

 

Nine Months Ended 

 

 

 

 

September 30, 

 

 

 

    

2018

    

2017

 

    

Risk-free interest rate

 

2.4

%  

0.6

%

 

Expected term (in years)

 

1.3

 

1.8

 

 

Dividend yield

 

0.0

%  

0.0

%

 

Expected volatility

 

66.2

%  

64.6

%