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Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Tax Credit Carryforward [Line Items]    
Net valuation allowance Increased (decreased) $ 15,600,000 $ 9,100,000
Research and development tax credit carryforwards for federal and state $ 5,560,000 3,202,000
Period for which cumulative change in ownership annual use net operating loss and research and development credit carryforwards 3 years  
Accrued interest and penalties associated with uncertain tax positions $ 0 0
Interest or penalties recorded during the year $ 0 0
Minimum [Member]    
Tax Credit Carryforward [Line Items]    
Percentage of cumulative change in ownership 50.00%  
Domestic Tax Authority [Member]    
Tax Credit Carryforward [Line Items]    
Federal net operating loss carryforwards $ 88,700,000 68,900,000
Net operating loss carryforward expiration period 2035  
Federal net operating loss carryforwards, not to expiration $ 87,900,000  
Research and development tax credit carryforwards for federal and state $ 8,000,000 4,000,000
Research and development tax credit carryforwards expiration period 2036  
State and Local Jurisdiction [Member]    
Tax Credit Carryforward [Line Items]    
State net operating loss carryforwards $ 37,700,000 30,100,000
Research and development tax credit carryforwards for federal and state $ 2,600,000 $ 1,500,000
Research and development tax credit carryforwards expiration period 2030  
Research and development tax credit carryforwards expiration description As of December 31, 2024 and 2023, the Company has state research and development credit carryforwards or approximately $2.6 million and $1.5 million, respectively, which will begin expiring in 2030 if not utilized  
California [Member] | State and Local Jurisdiction [Member]    
Tax Credit Carryforward [Line Items]    
Net operating loss carryforward expiration period 2035