Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Stock Warrants - Additional Information (Detail)

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Common Stock - Stock Warrants - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Feb. 29, 2024
Class of Warrant or Right [Line Items]      
Proceeds from exercise of warrants   $ 227  
Percentage of voting power 50.00%    
Warrants Issued in December 2019 [Member]      
Class of Warrant or Right [Line Items]      
Warrants to purchase common stock 0 98,333  
Exercise price per share of warrant $ 2.310 $ 2.31  
Proceeds from exercise of warrants   $ 200  
Pre Funded Warrants      
Class of Warrant or Right [Line Items]      
Percentage of outstanding shares of common stock 50.00%    
Pre Funded Warrants | Private Placement [Member]      
Class of Warrant or Right [Line Items]      
Exercise price per share of warrant $ 0.001   $ 0.001
Pre Funded Warrants | Common Stock [Member] | Private Placement [Member]      
Class of Warrant or Right [Line Items]      
Warrants to purchase common stock     13,086,151
Exercise price per share of warrant $ 4.906   $ 4.906