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Equity Plans and Stock-based Compensation - Performance Restricted Stock Units Activity (Details) - Performance Shares
 6 Months Ended
Jul. 31, 2024
$ / shares
shares
Number of Shares  
Outstanding, beginning balance (in shares) | shares 3,147,782
Granted (in shares) | shares 1,208,250
Forfeited (in shares) | shares (1,170,008)
Outstanding, ending balance (in shares) | shares 3,186,024
Weighted Average Grant Date Fair Value per Share  
Outstanding, beginning balance (in dollars per share) | $ / shares $ 6.79
Granted (in dollars per share) | $ / shares 1.26
Forfeited (in dollars per share) | $ / shares 10.47
Outstanding, ending balance (in dollars per share) | $ / shares $ 3.34