v3.25.2
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 27 Months Ended
Oct. 31, 2022
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Scientific Advisor [Member] | Consulting Agreement [Member]            
Related Party Transaction [Line Items]            
Consulting agreement termination notice period       14 days    
Consulting service expenses       $ 13    
Scientific Advisor [Member] | Consulting Agreement [Member] | Service Period of October 1, 2022 Through December 31, 2024 [Member]            
Related Party Transaction [Line Items]            
Non-qualified share option granted for service 163,467          
Shin Nippon Biomedical Laboratories Ltd [Member]            
Related Party Transaction [Line Items]            
Payments related to contract research services.   $ 100 $ 5 $ 100 $ 5 $ 2,400