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Note 21 - Financial Instruments (Details Textual) | 12 Months Ended |  |
--- | --- | --- | ---
Nov. 30, 2024 USD ($) | Nov. 30, 2023 USD ($) | 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 | $ 342,000 | $ (436,000) |  |
US Tax Rate Percentage of Fluctuation | 10.00% |  |  |
Byrna LATAM [Member] |  |  |  |
Loans and Leases Receivable, Related Parties |  |  | $ 1,634,485 | $ 1,600,000
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Number of Customers | 2 | 1 |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Two Customers [Member] |  |  |  |
Concentration Risk, Percentage | 36.00% |  |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member] |  |  |  |
Concentration Risk, Percentage |  | 12.00% |  |
SOUTH AFRICA |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent | $ (600,000) | $ (400,000) |  |

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