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Stockholders’ Equity and Employee Incentive Plans - Preferred Stock, Common Stock and Warrants Narratives (Details)
 6 Months Ended 12 Months Ended
Jul. 31, 2025
vote
$ / shares
shares
Jan. 31, 2025
$ / shares
shares
Apr. 30, 2019
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award      
Preferred stock, shares issued (in shares) 0 0  
Preferred stock, shares outstanding (in shares) 0 0  
Preferred stock, shares authorized (in shares) 200,000,000 200,000,000  
Preferred stock, par value (in dollars per share) | $ / shares $ 0.00001 $ 0.00001  
Common stock, shares authorized (in shares) 1,000,000,000 1,000,000,000  
Common stock, par value (in dollars per share) | $ / shares $ 0.00001 $ 0.00001  
Number of vote | vote 1    
Dividend declared (in dollars per share) | $ / shares $ 0 $ 0  
Amended Loan | Loans Payable      
Share Based Compensation Arrangement By Share Based Payment Award      
Warrants issued to purchase common stock (in shares)     105,350
Exercise price of warrants or rights (in dollars per share) | $ / shares     $ 7.48
Warrants exercisable period (in years)     10 years