Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Stock-based Compensation (Details Textual)

v3.23.2
Note 15 - Stock-based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 17, 2022
May 31, 2023
May 31, 2022
May 31, 2023
May 31, 2022
Jun. 16, 2022
Nov. 19, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) 50,000,000         300,000,000  
Restricted Stock Units (RSUs) [Member]              
Share-Based Payment Arrangement, Expense       $ 2,000 $ 1,300    
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)       9,805 626    
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount   $ 2,200   $ 2,200      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 3 months 18 days      
Share-Based Payment Arrangement, Option [Member]              
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       2 years      
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount   3,800   $ 3,800      
The 2020 Equity Incentive Plan (2020 Plan) [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) 3,800,000           2,500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) 1,300,000            
Share-Based Payment Arrangement, Expense   1,500 $ 800 3,000 $ 1,400    
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Share-Based Payment Arrangement, Option [Member] | Employees and Directors [Member]              
Share-Based Payment Arrangement, Expense   $ 500 $ 50 $ 900 $ 100    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares)       249,999 0