Quarterly report [Sections 13 or 15(d)]

Note 23 - Financial Instruments (Details Textual)

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Note 23 - Financial Instruments (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2025
USD ($)
Aug. 31, 2024
USD ($)
Aug. 31, 2025
USD ($)
Aug. 31, 2024
USD ($)
Nov. 30, 2024
USD ($)
Aug. 19, 2024
USD ($)
Jan. 31, 2023
USD ($)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent $ 82,000 $ 381,000 $ 27,000 $ 410,000      
US Tax Rate Percentage of Fluctuation     10.00%        
Byrna LATAM [Member]              
Loans and Leases Receivable, Related Parties         $ 1,700,000 $ 1,634,485 $ 1,600,000
Customer Concentration Risk [Member] | Accounts Receivable [Member]              
Number of Customers     2   2    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Two Customers [Member]              
Concentration Risk, Percentage     32.00%   36.00%    
SOUTH AFRICA              
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent $ 100,000 $ 400,000 $ 100,000 $ 400,000