v3.25.1
Significant Accounting Policies - Calculation of Net Loss and Number of Ordinary Shares Used to Compute Basic and Diluted Net Loss per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Significant Accounting Policies [Line Items]    
Net loss - basic $ (15,697) $ (9,953)
Net loss - diluted $ (15,697) $ (9,953)
Weighted average shares outstanding - basic 413,422 410,146
Weighted average shares outstanding - diluted 413,422 410,146
Loss per share - basic $ (0.04) $ (0.02)
Loss per share - diluted $ (0.04) $ (0.02)
American Depositary Shares    
Significant Accounting Policies [Line Items]    
Weighted average shares outstanding - basic 20,671 20,507
Weighted average shares outstanding - diluted 20,671 20,507
Loss per share - basic $ (0.76) $ (0.49)
Loss per share - diluted $ (0.76) $ (0.49)
Ordinary Shares    
Significant Accounting Policies [Line Items]    
Weighted average shares outstanding - basic 413,422 410,146
Weighted average shares outstanding - diluted 413,422 410,146
Loss per share - basic $ (0.04) $ (0.02)
Loss per share - diluted $ (0.04) $ (0.02)