Quarterly report pursuant to Section 13 or 15(d)

Note 18 - Related Party Transactions (Details Textual)

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Note 18 - Related Party Transactions (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Nov. 30, 2018
Nov. 30, 2021
Share-based Payment Arrangement, Expense $ 800 $ 700    
Chief Executive Officer [Member]        
Related Party Transaction, Amounts of Transaction 4 5    
Restricted Stock Units (RSUs) [Member]        
Share-based Payment Arrangement, Expense $ 700 600    
Restricted Stock Units (RSUs) [Member] | Chief Technology Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 200,000      
Andre Buys [Member]        
Related Party Transaction, Amounts of Transaction $ 0 100    
Due to Related Parties, Total 0     $ 100
Share-based Payment Arrangement, Expense $ 0 $ 4    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares)     150,000