Annual report [Section 13 and 15(d), not S-K Item 405]

Commitments and Contingencies - Additional Information (Detail)

v3.25.0.1
Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Dec. 09, 2024
Dec. 16, 2022
Nov. 19, 2018
USD ($)
ft²
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Other Commitments [Line Items]            
Consolidated rent and facilities expense       $ 100,000 $ 100,000 $ 100,000
Indemnification obligations       0    
Expenses related to indemnification issues       $ 0    
Vancouver Office Operating Lease [Member] | Vancouver, British Columbia [Member]            
Other Commitments [Line Items]            
Lease agreement commencement date Feb. 01, 2025 Feb. 01, 2023 Feb. 01, 2019      
Annual rent expense     $ 100,000      
Area of office space leased | ft²     2,367      
Operating lease, term of contract     4 years      
Lessee, Operating Lease, Existence of Option to Extend [true false]   true        
Operating lease, extension term 2 years 2 years