v3.25.4
Related Party Transactions - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 12, 2024
Dec. 31, 2025
Dec. 31, 2024
Sep. 11, 2023
Dec. 31, 2020
Related Party Transaction [Line Items]          
Common stock, Shares issued   43,223,090 31,115,341 11,021,248  
Reverse stock split   Immediately prior to the effective time of the Reverse Merger, the Company effected a 1-for-16 reverse stock split of its common stock (the “Reverse Stock Split”). Unless noted otherwise, all references herein to share and per share amounts reflect the Reverse Stock Split.      
Revenues   $ 2,036 $ 6,235    
Deferred revenue current   1,188 479    
Deferred revenue noncurrent   5,770 1,908    
Zenas BioPharma Inc [Member]          
Related Party Transaction [Line Items]          
Common stock, Shares issued         156,848
Zenas BioPharma Inc [Member] | IPO [Member]          
Related Party Transaction [Line Items]          
Price per share $ 17        
Reverse stock split 1-for-8.6831        
Fair value of the investment   $ 700 $ 100