XML 78 R68.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Stock-based compensation expense $ 4,125 $ 2,990
Cost of revenues    
Stock-based compensation expense 467 239
Selling, general and administrative    
Stock-based compensation expense 3,291 2,505
Engineering and development    
Stock-based compensation expense $ 367 $ 246