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Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Schedule Of Income Tax [Line Items]    
Income tax expense $ 8,000 $ 8,000
Increase (decrease) in net valuation allowance $ 2,100,000 $ 3,700,000
Operating loss carryforwards limitations on use it has not forfeited the right to carryforward tax losses  
Tax years subject to examination to extent of NOLs being carried forward 2005  
Recognized any interest and penalties related to uncertain tax positions $ 0  
Maximum [Member]    
Schedule Of Income Tax [Line Items]    
Tax year subject to examination by the tax authorities 2023  
Minimum [Member]    
Schedule Of Income Tax [Line Items]    
Tax year subject to examination by the tax authorities 2005  
Federal [Member]    
Schedule Of Income Tax [Line Items]    
Aggregate amount of net operating loss $ 101,500,000  
Operating loss carryforward 235,600,000  
Operating loss carryforward expected to be unavailable 134,100,000  
State [Member]    
Schedule Of Income Tax [Line Items]    
Aggregate amount of net operating loss $ 69,100,000