Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
Note 9 - Stock-based Compensation - Summary of RSU Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Oct. 31, 2025
Jan. 31, 2025
Forfeited, shares (in shares) (57,229)  
Forfeited, weighted average grant date fair value (in dollars per share) $ 83.7  
Forfeited, shares (in shares) (57,229)  
Restricted Stock Units (RSUs) [Member]    
Unvested balance, shares (in shares) 1,390,273  
Unvested balance, weighted average grant date fair value (in dollars per share) $ 24.15  
Unvested balance, aggregate intrinsic value $ 16,879 $ 41,708
Granted, shares (in shares) 647,123  
Granted, weighted average grant date fair value (in dollars per share) $ 18.27  
Vested, shares (in shares) (420,115)  
Vested, weighted average grant date fair value (in dollars per share) $ 29.73  
Forfeited, shares (in shares) (331,740)  
Forfeited, weighted average grant date fair value (in dollars per share) $ 24.01  
Unvested balance, shares (in shares) [1] 1,285,541  
Unvested balance, weighted average grant date fair value (in dollars per share) $ 19.4  
Forfeited, shares (in shares) (331,740)  
Market-based Restricted Stock Units (MBRSUs) [Member]    
Unvested balance, shares (in shares) 105,923  
Unvested balance, weighted average grant date fair value (in dollars per share) $ 62.21  
Unvested balance, aggregate intrinsic value $ 278 3,178
Granted, shares (in shares) 3,333  
Granted, weighted average grant date fair value (in dollars per share) $ 12.94  
Vested, shares (in shares) (30,875)  
Vested, weighted average grant date fair value (in dollars per share) $ 37.42  
Unvested balance, shares (in shares) 21,152  
Unvested balance, weighted average grant date fair value (in dollars per share) $ 32.49  
Performance-based Restricted Stock Units [Member]    
Unvested balance, shares (in shares) 51,250  
Unvested balance, weighted average grant date fair value (in dollars per share) $ 17.12  
Unvested balance, aggregate intrinsic value $ 4,025 $ 1,538
Granted, shares (in shares) [2] 327,889  
Granted, weighted average grant date fair value (in dollars per share) $ 19.99  
Vested, shares (in shares) (10,468)  
Vested, weighted average grant date fair value (in dollars per share) $ 14.88  
Forfeited, shares (in shares) (62,157)  
Forfeited, weighted average grant date fair value (in dollars per share) $ 18.49  
Unvested balance, shares (in shares) 306,514  
Unvested balance, weighted average grant date fair value (in dollars per share) $ 19.8  
Forfeited, shares (in shares) (62,157)  
[1] Includes 19,806 shares, which are vested, but have been elected to be deferred by the recipients.
[2] Reflects the number of shares that would vest based on achieving the “Target” level of performance.