Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.19.3
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2019
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, 2019 and 2018 were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended 

 

Nine Months Ended

 

 

 

September 30, 

 

September 30, 

 

 

 

2019

    

2018

 

2019

    

2018

 

Selling, general and administrative

 

$

1,611

 

$

2,194

 

$

5,519

 

$

3,913

 

Research and development

 

 

487

 

 

801

 

 

2,185

 

 

1,734

 

Total stock-based compensation expense

 

$

2,098

 

$

2,995

 

$

7,704

 

$

5,647

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended 

 

 

Nine Months Ended 

 

 

 

 

September 30, 

 

 

September 30, 

 

 

 

    

2019

    

2018

    

    

2019

    

2018

 

    

Risk-free interest rate

 

1.7

%  

2.9

%  

 

2.5

%  

2.7

%

 

Expected term (in years)

 

6.0

 

6.0

 

 

6.5

 

6.7

 

 

Dividend yield

 

0.0

%  

0.0

%  

 

0.0

%  

0.0

%

 

Expected volatility

 

63.0

%  

67.9

%  

 

65.6

%  

65.1

%

 

 

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

 

 

 

 

 

 

 

 

 

Nine Months Ended 

 

 

 

 

September 30, 

 

 

 

    

2019

    

2018

 

    

Risk-free interest rate

 

2.8

%  

2.4

%

 

Expected term (in years)

 

1.7

 

1.3

 

 

Dividend yield

 

0.0

%  

0.0

%

 

Expected volatility

 

63.0

%  

66.2

%