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Equity Incentive Plan - Additional Information (Detail)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
Installment
shares
Jun. 30, 2022
Installment
shares
Sep. 30, 2021
USD ($)
shares
Jun. 30, 2022
Installment
Sep. 30, 2022
USD ($)
Installment
$ / shares
shares
Sep. 30, 2021
USD ($)
$ / shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation         $ 3,656 $ 2,998
Nebula            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation $ 100       $ 200  
Share based compensation arrangement by share based payment award achievement period       1 year    
Performance Based Restricted Stock Option [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting maximum number of annual installments | Installment 3       3  
Granted | shares   463,000        
Performance Based Restricted Stock Option [Member] | Annual Consolidated Revenue [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting maximum number of annual installments | Installment   3   3    
Share based compensation arrangement by share based payment award vest based on achievement   50.00%        
Performance Based Restricted Stock Option [Member] | Nebula            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting maximum number of annual installments | Installment   3   3    
Share based compensation arrangement by share based payment award achievement period         1 year  
Share based compensation arrangement by share based payment award vest based on achievement   50.00%        
Time-Based Restricted Stock Units | Non Employee Director [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation     $ 200     $ 500
Options granted | shares     90,324   100,000  
Time-Based Restricted Stock Units | Nebula            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation $ 200       $ 500  
Time-Based Restricted Stock Units | Maximum [Member] | Non Employee Director [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting period         3 years  
Time-Based Restricted Stock Units | Minimum [Member] | Non Employee Director [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting period         1 year  
2019 Plan [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Percentage of share increase         5.00%  
Common stock options authorized under plan | shares 11,760,678       11,760,678  
Common stock options available for issuance | shares 2,145,118       2,145,118  
Options granted | shares         1,135,850  
2019 Plan [Member] | Time Based Vesting Stock Option [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting period         3 years  
Weighted average fair value granted | $ / shares         $ 2.55 $ 1.79
Stock-based compensation $ 1,300   $ 1,000   $ 3,700 $ 3,000
Unrecognized stock-based compensation expense $ 3,900       $ 3,900  
Unrecognized stock-based compensation expense, period         2 years  
2019 Plan [Member] | Time Based Vesting Stock Option [Member] | Maximum [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Expiration period         10 years