Quarterly report pursuant to Section 13 or 15(d)

Classification of Compensation Expense Associated with Share-Based Payments (Detail)

v3.21.2
Classification of Compensation Expense Associated with Share-Based Payments (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 366 $ 801 $ 1,297 $ 1,519
Cost of Revenue        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 35 78 113 129
Sales and Marketing        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 108 175 229 384
General and Administrative        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 168 482 718 907
Engineering and Development        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 55 $ 66 $ 237 $ 99