Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Stock-based Compensation (Details Textual)

v3.22.1
Note 16 - Stock-based Compensation (Details Textual) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 07, 2022
Sep. 15, 2021
Nov. 30, 2021
Feb. 28, 2022
Feb. 28, 2021
Nov. 30, 2021
Nov. 30, 2020
Nov. 19, 2020
Share-based Payment Arrangement, Expense       $ 0.8 $ 0.7      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares)       10,333        
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount       $ 0.4        
Former Employee [Member]                
Severance Costs           $ 0.9    
Restricted Stock Units (RSUs) [Member]                
Share-based Payment Arrangement, Expense       $ 0.7 $ 0.6      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in shares)       0 1,573,500      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 2 years              
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised (in shares)       3,873        
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       $ 4.9        
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 8 months 12 days        
Restricted Stock Units (RSUs) [Member] | CTO [Member]                
Share-based Payment Arrangement, Expense       $ 0.5        
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, Non-Option Equity Instruments, Forfeitures and Expirations, Total (in shares)           87,500    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)     62,500          
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)     27,500          
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation     $ 0.4          
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings (in shares)     35,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares)       25,000        
Restricted Stock Units (RSUs) [Member] | Former Director [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised (in shares)       3,873        
Share-based Payment Arrangement, Option [Member]                
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       2 years 1 month 6 days        
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     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)               2,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)   1,400,000            
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Employees and Directors [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares)       0 12,000      
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in shares)           174,493 1,573,500  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations, Total (in shares)           3,873    
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Restricted Stock Units (RSUs) [Member] | Double Trigger Vesting [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested or Expected to Vest, in Period (in shares)     150,000     150,000    
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Restricted Stock Units (RSUs) [Member] | Share-based Payment Arrangement, Tranche One [Member]                
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested or Expected to Vest, in Period (in shares)     15,493     15,493    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)           1 year    
The 2020 Equity Incentive Plan (2020 Plan) [Member] | Share-based Payment Arrangement, Option [Member] | Employees and Directors [Member]                
Share-based Payment Arrangement, Expense       $ 0.1 $ 0.1