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Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2021
Operating Loss Carryforwards [Line Items]      
Income tax expense $ 0 $ 0  
Income taxes paid 0 0  
Increase in valuation allowance 6,723,000 13,190,000  
Unrecognized tax benefits, interest or penalties 0 $ 0  
Federal      
Operating Loss Carryforwards [Line Items]      
Net operating loss, or NOL, carryforwards $ 294,600,000    
NOL carryforwards expiration year 2035    
NOL carryforwards not subject to expiration $ 290,200,000    
Federal | Research Credit Carryforwards      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforwards $ 12,300,000    
Tax credit carryforwards expiration year 2038    
Federal | Research and Development Tax Credits      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforwards     $ 2,800,000
State      
Operating Loss Carryforwards [Line Items]      
Net operating loss, or NOL, carryforwards $ 351,100,000    
NOL carryforwards expiration year 2035    
State | California      
Operating Loss Carryforwards [Line Items]      
Net operating loss, or NOL, carryforwards     $ 51,000,000
State | Research Credit Carryforwards      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforwards $ 7,000,000    
Tax credit carryforward expiration indefinitely