Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.20.2
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2020
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, 2020 and 2019 were as follows (in thousands):

Three Months Ended 

Nine Months Ended

September 30, 

September 30, 

2020

    

2019

2020

    

2019

Selling, general and administrative

$

1,352

$

1,611

$

3,981

$

5,519

Research and development

532

487

1,684

2,185

Total stock-based compensation expense

$

1,884

$

2,098

$

5,665

$

7,704

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

Three Months Ended 

Nine Months Ended 

September 30, 

September 30, 

    

2020

    

2019

    

    

2020

    

2019

 

    

Risk-free interest rate

0.5

%  

1.7

%  

1.2

%  

2.5

%

Expected term (in years)

6.7

6.0

6.5

6.5

Dividend yield

0.0

%  

0.0

%  

0.0

%  

0.0

%

Expected volatility

70.5

%  

63.0

%  

66.0

%  

65.6

%

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

Nine Months Ended 

September 30, 

    

2020

    

2019

    

Risk-free interest rate

1.0

%  

2.8

%

Expected term (in years)

1.6

1.7

Dividend yield

0.0

%  

0.0

%

Expected volatility

62.3

%  

63.0

%