Quarterly report [Sections 13 or 15(d)]

Note 8 - Investment in Joint Venture (Details Textual)

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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