Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.22.2
STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of stock-based compensation

Stock-based compensation for the periods presented was as follows (in thousands):

Three Months Ended June 30, 

Six Months Ended June 30, 

2022

    

2021

2022

    

2021

Selling, general and administrative

$

1,933

$

1,772

$

4,672

$

3,825

Research and development

458

534

926

1,120

Total stock-based compensation expense

$

2,391

$

2,306

$

5,598

$

4,945

Employee stock options  
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 June 30, 

Six Months Ended June 30, 

    

2022

    

2021

    

    

2022

    

2021

 

Risk-free interest rate

2.9

%  

1.3

%  

1.9

%  

1.0

%

Expected term (in years)

6.5

6.6

6.5

6.5

Dividend yield

0.0

%  

0.0

%  

0.0

%  

0.0

%

Expected volatility

70.3

%  

70.5

%  

70.0

%  

70.6

%