Quarterly report [Sections 13 or 15(d)]

Note 13 - Intangible Assets (Tables)

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Note 13 - Intangible Assets (Tables)
3 Months Ended
Feb. 28, 2026
Notes Tables  
Schedule of Intangible Assets and Goodwill [Table Text Block]
           

Balance at February 28, 2026

   

Balance at November 30, 2025

 
   

Estimated Useful Lives in Years

   

Gross Carrying Amount

   

Accumulated Amortization

   

Net Carrying Amount

   

Gross Carrying Amount

   

Accumulated Amortization

   

Net Carrying Amount

 

Patents

    10-17     $ 3,955     $ (1,298 )   $ 2,657     $ 3,955     $ (1,234 )   $ 2,721  

Trademarks

 

Indefinite

      360             360       360             360  

Customer List

    2       70       (70 )           70       (70 )      

Federal Firearms License

    3       6       (2 )     4       6       (1 )     5  

Total

          $ 4,391     $ (1,370 )   $ 3,021     $ 4,391     $ (1,305 )   $ 3,086  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal Year Ending November 30,

 

2026 (remaining nine months)

  $ 194  

2027

    259  

2028

    259  

2029

    259  

2030

    259  

Thereafter

    1,431  

Total

  $ 2,661