v3.26.1
Net Loss Per Ordinary Share - Computation of Basic and Diluted Net Loss Per Ordinary Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Numerator:    
Net loss $ (18,093) $ (24,328)
Denominator:    
Weighted-average ordinary shares - basic 43,605,282 42,219,972
Weighted-average ordinary shares - diluted 43,605,282 42,219,972
Net loss per ordinary share:    
Basic $ (0.41) $ (0.58)
Diluted $ (0.41) $ (0.58)