Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Stock-based Compensation (Details Textual)

v3.24.3
Note 9 - Stock-based Compensation (Details Textual)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2021
shares
Oct. 31, 2024
USD ($)
$ / shares
shares
Oct. 31, 2024
USD ($)
$ / shares
shares
Share-based Compensation Expense, Decrease From Forfeiture     $ 6,000
Share-Based Payment Arrangement, Option [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 300 $ 300
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price (in dollars per share) | $ / shares   $ 67.23 $ 67.23
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   7 months 6 days  
Restricted Stock Units (RSUs) [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 29,200 $ 29,200
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   2 years 9 months 18 days  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Right To Receive Shares   1 1
Restricted Stock Units (RSUs) [Member] | Minimum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   3 years  
Restricted Stock Units (RSUs) [Member] | Maximum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   4 years  
Market-based Restricted Stock Units (MBRSUs) [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 1,000 $ 1,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   1 year  
Market-based Restricted Stock Units (MBRSUs) [Member] | Minimum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   3 years  
Market-based Restricted Stock Units (MBRSUs) [Member] | Maximum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   4 years  
Performance-based Restricted Stock Units [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   2 years  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 100 100
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   6 months  
Performance-based Restricted Stock Units [Member] | Minimum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Target Achievement Percentage   0.00%  
Performance-based Restricted Stock Units [Member] | Maximum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Target Achievement Percentage   200.00%  
Liability-classified Performance Award [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount [1]   $ 3,475 $ 3,475
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   8 months 12 days  
The 2020 Omnibus Incentive Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares 655,295    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized, Annual Increase, Percentage 5.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) | shares   948,801 948,801
The 2020 Omnibus Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years    
The 2020 Omnibus Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Days Following Termination of Employment or Service [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 90 days    
The 2020 Omnibus Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Months Following Optionees Death or Disability [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 12 months    
Inducement Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) | shares   110,000 110,000
[1] Expected to be recognized over a weighted-average period of 0.7 years.