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Stockholders' Equity - Common Stock Purchase Agreement (Detail) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 11, 2022
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2020
Dec. 31, 2023
Stockholder's Equity            
Common Stock, Shares, Outstanding     191,958,045     147,066,336
Proceeds from sale of common stock through Purchase Agreement   $ 12,703,000   $ 15,051,000    
Share price (in $ per share)     $ 0.01      
Purchase agreement impairment of deferred financing costs   $ 0   $ 800,000    
Common Stock Purchase Agreement            
Stockholder's Equity            
Common Stock, Shares, Outstanding 23,648,889          
Percentage of the aggregate number of shares of common stock issued and outstanding immediately prior to the execution of the agreement. 19.99%          
Stock issued during period, shares, issued for services 171,008          
Proceeds from sale of common stock through Purchase Agreement     $ 12,838,000      
Proceeds from sale of common stock through Purchase Agreement (in shares)     10,056,799      
Share price (in $ per share)           $ 1.00
Common Class A | Common Stock Purchase Agreement            
Stockholder's Equity            
Common Stock, Value, Subscriptions $ 75,000,000.0          
Series C Preferred Stock            
Stockholder's Equity            
Proceeds from sale of common stock through Purchase Agreement         $ 56,200,000  
Proceeds from sale of common stock through Purchase Agreement (in shares)         54,500,000