Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Stock-based Compensation - Summary of RSU Activity (Details)

v3.24.3
Note 9 - Stock-based Compensation - Summary of RSU Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Oct. 31, 2024
Jan. 31, 2024
Jan. 31, 2023
Forfeited, shares (in shares) (84,919)    
Forfeited, weighted average grant date fair value (in dollars per share) $ 78.79    
Forfeited, shares (in shares) (84,919)    
Restricted Stock Units (RSUs) [Member]      
Unvested balance, shares (in shares) 735,998    
Unvested balance, weighted average grant date fair value (in dollars per share) $ 64.77    
Unvested balance, aggregate intrinsic value $ 21,078   $ 10,319
Granted, shares (in shares) 1,094,736    
Granted, weighted average grant date fair value (in dollars per share) $ 15.07    
Vested, shares (in shares) (291,460)    
Vested, weighted average grant date fair value (in dollars per share) $ 66.13    
Forfeited, shares (in shares) (158,901)    
Forfeited, weighted average grant date fair value (in dollars per share) $ 63.43    
Unvested balance, shares (in shares) 1,380,373    
Unvested balance, weighted average grant date fair value (in dollars per share) $ 25.22    
Forfeited, shares (in shares) (158,901)    
Market-based Restricted Stock Units (MBRSUs) [Member]      
Unvested balance, shares (in shares) 182,742    
Unvested balance, weighted average grant date fair value (in dollars per share) $ 72.6    
Unvested balance, aggregate intrinsic value $ 1,646 $ 2,562  
Granted, shares (in shares) 10,000    
Granted, weighted average grant date fair value (in dollars per share) $ 12.94    
Vested, shares (in shares) 0    
Vested, weighted average grant date fair value (in dollars per share) $ 0    
Unvested balance, shares (in shares) 107,823    
Unvested balance, weighted average grant date fair value (in dollars per share) $ 62.19    
Performance-based Restricted Stock Units [Member]      
Unvested balance, shares (in shares) 0    
Unvested balance, weighted average grant date fair value (in dollars per share) $ 0    
Unvested balance, aggregate intrinsic value $ 153    
Granted, shares (in shares) [1] 10,000    
Granted, weighted average grant date fair value (in dollars per share) $ 11.25    
Vested, shares (in shares) 0    
Vested, weighted average grant date fair value (in dollars per share) $ 0    
Forfeited, shares (in shares) 0    
Forfeited, weighted average grant date fair value (in dollars per share) $ 0    
Unvested balance, shares (in shares) 10,000    
Unvested balance, weighted average grant date fair value (in dollars per share) $ 11.25    
Forfeited, shares (in shares) 0    
[1] Reflects the number of shares that would vest based on achieving the “Target” level of performance.