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Equity Incentive Plan - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
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 the 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 1,988,340 478,109  
Intrinsic value of options exercised $ 300,000 $ 11,500  
Weighted- average exercise price per share, Stock options granted $ 5.17    
Unrecognized stock-based compensation cost expected period for recognition 2 years 1 month 6 days    
Common stock for future issuance 65,329,843 50,174,938  
Total stock-based compensation expense $ 18,183,000 $ 18,516,000  
Employees [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Weighted- average exercise price per share, Stock options granted $ 3.72 $ 3.94  
2022 Employment Inducement Award Plan [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Options available for future grant 758,084 1,610,600 2,000,000
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%    
Stock Options Issued and Outstanding [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized stock-based compensation cost $ 23,100,000    
Restricted Stock Units [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized stock-based compensation cost $ 1,900,000    
Unrecognized stock-based compensation cost expected period for recognition 1 year 8 months 12 days    
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%    
Common stock for future issuance 1,338,381 994,257  
Percentage of shares of common stock outstanding on last day of immediately preceding fiscal year 1.00%    
Total stock-based compensation expense $ 300,000 $ 100,000