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Stockholders' Equity - Additional Information (Detail) - USD ($)
 12 Months Ended
Oct. 15, 2021
Dec. 31, 2023
Dec. 31, 2022
Stockholders Equity Disclosure [Line Items]      
Common stock, shares authorized   400,000,000 400,000,000
Common stock, par value   $ 0.001 $ 0.001
Common stock, voting rights   one vote  
Common stock, shares sold   76,595,616 63,588,119
Catalyst common stock outstanding   76,595,616 63,588,119
Warrants exercise price per share   $ 4,915  
Proceeeds from issuance of aggregate gross sales   $ 2,500,000  
Aggregate amounts of restricted capital and statutory reserves   $ 64,300,000 $ 61,500,000
Statutory reserve fund   10.00%  
Cumulative amount of statutory reserve fund   50.00%  
Appropriations to statutory reserve   $ 0 $ 2,200,000
Preferred stock shares authorized   5,000,000  
Preferred stock par value per share   $ 0.001  
2021 ATM Program      
Stockholders Equity Disclosure [Line Items]      
Common stock, par value $ 0.001    
Common stock, shares sold   0 0
Proceeeds from issuance of aggregate gross sales $ 50,000,000    
Percentage of commission for shares sold 3.00%    
Legal expenses incurred $ 50,000