XML 52 R42.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Allocated Share-based Compensation Expense $ 2,310 $ 1,112
Cost of revenue [Member]    
Allocated Share-based Compensation Expense 25 13
Research, development and clinical trials expenses [Member]    
Allocated Share-based Compensation Expense 321 197
Selling, general and administrative expenses [Member]    
Allocated Share-based Compensation Expense $ 1,964 $ 902