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Equity Plans and Stock-based Compensation - Schedule of Activity of Restricted Stock Units (Details) - Restricted stock units
 3 Months Ended
Apr. 30, 2025
$ / shares
shares
Number of Shares  
Outstanding, beginning balance (in shares) | shares 36,617,081
Granted (in shares) | shares 941,525
Vested (in shares) | shares (3,473,798)
Forfeited (in shares) | shares (996,562)
Outstanding, ending balance (in shares) | shares 33,088,246
Weighted Average Grant Date Fair Value per Share  
Outstanding, beginning balance (in dollars per share) | $ / shares $ 2.86
Granted (in dollars per share) | $ / shares 0.60
Vested (in dollars per share) | $ / shares 3.74
Forfeited (in dollars per share) | $ / shares 3.30
Outstanding, ending balance (in dollars per share) | $ / shares $ 2.69