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Equity Incentive Plans - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Mar. 31, 2024
Dec. 31, 2023
Jul. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Percentage of number of shares of capital stock outstanding on last day of preceding year     4.00%        
Stock option grants description     Awards granted under the 2020 Plan expire no later than ten years from the date of grant. For Incentive Stock Options, or ISOs, and Nonstatutory Stock Options, or NSOs, the option price shall not be less than 100% of the estimated fair value on the date of grant. Options granted typically vest over a four-year period but may be granted with different vesting terms.        
Option expiry period     10 years        
Vesting Period     4 years        
Options available for future grant 2,059,871   2,059,871        
Intrinsic value of options exercised $ 200,000 $ 0 $ 500,000 $ 300,000      
Weighted- average exercise price per share, Stock options granted     $ 5.7        
Unrecognized stock-based compensation cost expected period for recognition     2 years 8 months 12 days        
Common stock for future issuance 94,410,198   94,410,198     65,329,843  
Total stock-based compensation expense $ 4,609,000 4,549,000 $ 14,211,000 $ 13,816,000      
Employees [Member]              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Weighted- average exercise price per share, Stock options granted     $ 4.51 $ 3.87      
2022 Employment Inducement Award Plan [Member]              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Options available for future grant 2,398,730   2,398,730       4,850,000
Incentive Stock Options, or ISOs, and Nonstatutory Stock Options, or NSOs [Member] | Minimum [Member]              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Purchase of Common stock at end of each offering period at price equal to percentage of fair market value of shares     100.00%        
Employee Stock Option [Member]              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Unrecognized stock-based compensation cost $ 28,300,000   $ 28,300,000        
Restricted Stock Units [Member]              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Unrecognized stock-based compensation cost $ 3,000,000   $ 3,000,000        
Unrecognized stock-based compensation cost expected period for recognition     2 years        
Employee Stock Purchase Plan [Member]              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Purchase of Common stock at end of each offering period at price equal to percentage of fair market value of shares     85.00%        
Share purchases funded through payroll deductions minimum percentage of employee's eligible compensation         1.00%    
Share purchases funded through payroll deductions maximum percentage of employee's eligible compensation 15.00%   15.00%        
Common stock for future issuance 2,023,537   2,023,537     1,338,381  
Percentage of shares of common stock outstanding on last day of immediately preceding fiscal year     1.00%        
Total stock-based compensation expense $ 16,000 $ 100,000 $ 100,000 $ 200,000