Annual report pursuant to Section 13 and 15(d)

Note 17 - Related Party Transactions (Details Textual)

v3.22.0.1
Note 17 - Related Party Transactions (Details Textual) - USD ($)
$ in Thousands
7 Months Ended 12 Months Ended 24 Months Ended
Jun. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2018
Nov. 30, 2021
Related Party Transaction, Amounts of Transaction   $ 0 $ 0    
Share-based Payment Arrangement, Expense   3,200 1,300    
Stock Issued During Period, Value, Purchase of Assets     693    
Chief Executive Officer [Member]          
Related Party Transaction, Amounts of Transaction   10 20    
Related Party Transaction, Monthly Amounts of Transaction $ 2        
Andre Buys [Member]          
Related Party Transaction, Amounts of Transaction   400     $ 200
Due to Related Parties, Total   100 200   $ 100
Share-based Payment Arrangement, Expense   $ 10 $ 20    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total (in shares)       150,000  
Andre Buys [Member] | Patents [Member]          
Stock Issued During Period, Shares, Purchase of Assets (in shares)   386,681      
Stock Issued During Period, Value, Purchase of Assets   $ 700