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Note 8 - Investment in Joint Venture (Details Textual) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 19, 2024 | Jan. 10, 2023 | Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2025 | Aug. 31, 2024 | Nov. 30, 2024 | Jan. 31, 2023
Royalty Income, Nonoperating |  |  | $ 300,000 |  | $ 1,100,000 |  |  |
Interest Income, Financing Receivable, before Allowance for Credit Loss |  |  | 100,000 | $ 100,000 | 100,000 | $ 100,000 |  |
Byrna LATAM [Member] |  |  |  |  |  |  |  |
Loans and Leases Receivable, Related Parties | $ 1,634,485 |  |  |  |  |  | $ 1,700,000 | $ 1,600,000
Loans Receivable, Basis Spread on Variable Rate |  |  |  |  |  |  |  | 3.00%
Loans Receivable with Fixed Rates of Interest | 1,431,112 |  |  |  |  |  |  |
Interest Receivable | $ 203,373 |  |  |  |  |  |  |
Loans, Receivable, Fixed Interest Rate. | 5.00% |  |  |  |  |  |  |
Byrna LATAM [Member] | Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |  |  |  |
Loans and Leases Receivable, Related Parties |  |  | $ 1,600,000 |  | $ 1,600,000 |  | 700,000 |
Byrna LATAM [Member] | Other Assets [Member] |  |  |  |  |  |  |  |
Loans and Leases Receivable, Related Parties |  |  |  |  |  |  | $ 1,000,000 |
Byrna LATAM [Member] |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 51.00% | 51.00% |  |  |  |  |  |
Payments to Acquire Equity Method Investments |  | $ 500,000 |  |  |  |  |  |
Proceeds from Sale of Equity Method Investments | $ 1,000 |  |  |  |  |  |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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