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Equity Incentive Plan - Additional Information (Detail)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2023
shares
Sep. 30, 2023
USD ($)
Installment
shares
Jun. 30, 2023
shares
Sep. 30, 2022
USD ($)
Installment
Sep. 30, 2023
USD ($)
Installment
$ / shares
shares
Sep. 30, 2022
USD ($)
Installment
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation | $         $ 2,550 $ 3,656
Nebula            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation | $   $ 200   $ 100    
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  
Vested     (73,726)      
Granted         369,056 463,000
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 3 3
Share based compensation arrangement by share based payment award vest based on achievement         50.00% 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 3 3
Share based compensation arrangement by share based payment award achievement period         3 years  
Share based compensation arrangement by share based payment award vest based on achievement         50.00% 50.00%
Time-Based Restricted Stock Units [Member] | Non Employee Director [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock-based compensation | $   $ 200   $ 200 $ 600 $ 500
Time-Based Restricted Stock Units [Member] | 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 [Member] | 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%  
Shares increases in period 2,146,006          
Common stock options authorized under plan   13,906,684     13,906,684  
Common stock options available for issuance   2,512,708     2,512,708  
Options granted         990,296  
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         $ 0.95 $ 2.55
Stock-based compensation | $   $ 800   1,300 $ 2,600 $ 3,700
Unrecognized stock-based compensation expense | $   $ 2,300   $ 3,900 $ 2,300 $ 3,900
Unrecognized stock-based compensation expense, period         1 year 8 months 12 days 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