v3.26.1
Net Loss per Share Attributable to Common Stockholders (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Numerator:        
Net loss attributable to common stockholders $ (12.9) $ (26.4) $ (31.8) $ (52.5)
Denominator:        
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares) 33,576,091 4,237,890 33,501,272 4,203,550
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares) 33,576,091 4,237,890 33,501,272 4,203,550
Net loss per share attributable to common stockholders, basic (in usd per share) $ (0.38) $ (6.23) $ (0.95) $ (12.49)
Net loss per share attributable to common stockholders, diluted (in usd per share) $ (0.38) $ (6.23) $ (0.95) $ (12.49)