Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.2
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
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, 2021 and 2020 were as follows (in thousands):

Three Months Ended 

Nine Months Ended

September 30, 

September 30, 

2021

    

2020

2021

    

2020

Selling, general and administrative

$

1,800

$

1,352

$

5,625

$

3,981

Research and development

402

532

1,522

1,684

Total stock-based compensation expense

$

2,202

$

1,884

$

7,147

$

5,665

Employee stock option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of weighted-average assumptions relating to options granted pursuant to equity incentive plans

Three Months Ended 

Nine Months Ended 

September 30, 

September 30, 

    

2021

    

2020

    

    

2021

    

2020

 

Risk-free interest rate

1.1

%  

0.5

%  

1.0

%  

1.2

%

Expected term (in years)

6.0

6.7

6.5

6.5

Dividend yield

0.0

%  

0.0

%  

0.0

%  

0.0

%

Expected volatility

70.4

%  

70.5

%  

70.6

%  

66.0

%