v3.25.2
Net Loss per Share Attributable to Common Stockholders - Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Numerator:        
Net loss attributable to common stockholders $ (26.4) $ (15.6) $ (52.5) $ (37.6)
Denominator:        
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares) 4,033,571 3,736,953 4,000,887 3,692,025
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares) 4,033,571 3,736,953 4,000,887 3,692,025
Net loss per share attributable to common stockholders, basic (in usd per share) $ (6.55) $ (4.17) $ (13.12) $ (10.18)
Net loss per share attributable to common stockholders, diluted (in usd per share) $ (6.55) $ (4.17) $ (13.12) $ (10.18)