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Stockholders' Equity - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Oct. 15, 2021
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Stockholders Equity Disclosure [Line Items]        
Common stock, par value   $ 0.001 $ 0.001  
Common stock, shares sold   85,423,246 76,595,616  
Aggregate amounts of restricted capital and statutory reserves   $ 64,300,000 $ 64,300,000  
Statutory reserve fund   10.00%    
Cumulative amount of statutory reserve fund   50.00%    
Appropriations to statutory reserve   $ 0 $ 0  
2021 ATM Program        
Stockholders Equity Disclosure [Line Items]        
Common stock, par value $ 0.001      
Proceeeds from issuance of aggregate gross sales $ 50,000,000      
Percentage of commission for shares sold 3.00%      
Legal expenses incurred $ 50,000      
Common stock, shares sold   0   0