XML 34 R24.htm IDEA: XBRL DOCUMENT v3.22.2
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2022
Stock-Based Compensation Expense Stock-based compensation expense was as follows (in thousands):
 
  
Three Months Ended
June 30,
 
  
Six Months Ended
June 30,
 
 
  
2022
 
  
2021
 
  
2022
 
  
2021
 
Cost of revenues
  
$
431
    
$
252
    
$
682
    
$
480
 
Selling, general and administrative
  
 
1,440
    
 
779
    
 
2,647
    
 
1,632
 
Research and development
  
 
751
    
 
536
    
 
1,287
    
 
1,026
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Total stock-based compensation
  
$
2,622
    
$
1,567
    
$
4,616
    
$
3,138
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Summary of Compensation Expense by Type of Award
Compensation expense by type of award was as follows (in thousands):
 
 
  
Three Months Ended
June 30,
 
  
Six Months Ended
June 30,
 
 
  
2022
 
  
2021
 
  
2022
 
  
2021
 
Stock options
  
$
2,351
    
$
1,336
    
$
4,110
    
$
2,667
 
ESPP
  
 
271
    
 
231
    
 
506
    
 
471
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Total stock-based compensation
  
$
2,622
    
$
1,567
    
$
4,616
    
$
3,138