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Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Jun. 29, 2020
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2007
Income Tax [Line Items]          
Gross federal R&D credit-related deferred tax assets derecognized   $ 6,000,000.0      
Unrecognized tax benefit   1,833,000 $ 0 $ 0  
Tax-related penalties or interest recognized   0 0    
Uncertain tax positions   0 $ 0    
Deferred tax liabilities   2,500,000      
CALIFORNIA          
Income Tax [Line Items]          
Net operating loss carryforwards   75,200,000      
Net operating loss carryforward, derecognized   0      
Maximum amount of tax offset per year $ 5,000,000        
Required Minimum Taxable Income $ 1,000,000        
Federal Income Tax          
Income Tax [Line Items]          
Net operating loss carryforwards   $ 193,500,000     $ 156,500,000
Net operating loss carryforwards expiration year   2037      
Net operating loss carryforwards having indefinite life   $ 191,900,000      
Tax credit carryforwards available to offset future federal tax liabilities   $ 8,000      
Credit carryforward, expire year   2042      
Net operating loss carryforward, derecognized   $ 32,900,000      
State Income Tax          
Income Tax [Line Items]          
Net operating loss carryforwards   $ 10,500,000      
Net operating loss carryforwards expiration year   2034      
Tax credit carryforwards available to offset future federal tax liabilities   $ 7,500,000