Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Stock-based Compensation (Details Textual)

v3.22.2.2
Note 16 - Stock-based Compensation (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 17, 2022
Mar. 23, 2022
Jan. 17, 2022
Aug. 31, 2022
Feb. 28, 2022
Aug. 31, 2021
Aug. 31, 2022
Aug. 31, 2021
Jun. 16, 2022
Nov. 30, 2021
Nov. 19, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) 50,000,000               300,000,000    
Share-Based Payment Arrangement, Expense       $ 2,700   $ 1,000 $ 4,100 $ 2,500      
Percentage of RSUs Exchanged for Stock Options   50.00%                  
Number of RSUs Exchanged for Stock Options (in shares)   778,750         3,874 8,392      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares)             20,500        
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount       3,600     $ 3,600        
Restricted Stock Units (RSUs) [Member]                      
Share-Based Payment Arrangement, Expense       1,000   900 $ 2,300 $ 2,300      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in shares)             376,555 174,493      
Share-Based Payment Arrangement, Plan Modification, Reclassified from Paid in Capital to Liability     $ 1,000                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares)             25,000        
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount       5,200     $ 5,200        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)             1 year 1 month 6 days        
Restricted Stock Units (RSUs) [Member] | CTO [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in shares)         200,000            
Restricted Stock Units (RSUs) [Member] | Former Employee [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares)         25,000            
Modified Rewards [Member]                      
Share-Based Payment Arrangement, Expense       0   1,400          
Share-Based Payment Arrangement, Option [Member]                      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)             2 years 6 months        
The 2017 Stock Option Plan (2017 Plan) [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)                   1,899,327  
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                    
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Board of Directors Chairman [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares)             994,750 41,000      
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Share-Based Payment Arrangement, Option [Member] | Employees and Directors [Member]                      
Share-Based Payment Arrangement, Expense       $ 1,700   $ 50 $ 1,700 $ 60