Annual report pursuant to Section 13 and 15(d)

Note 10 - Intangible Assets (Tables)

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Note 10 - Intangible Assets (Tables)
12 Months Ended
Nov. 30, 2023
Notes Tables  
Schedule of Intangible Assets and Goodwill [Table Text Block]
           

As of November 30, 2023

   

As of November 30, 2022

 
   

Estimated Useful Lives in Years

   

Gross Carrying Amount

   

Accumulated Amortization

   

Net Carrying Amount

   

Gross Carrying Amount

   

Accumulated Amortization

   

Net Carrying Amount

 

Patents

    10-17     $ 3,931     $ (723 )   $ 3,208     $ 3,931     $ (468 )   $ 3,463  

Trademarks

 

Indefinite

      360             360       360           $ 360  

Customer List

    2       70       (55 )     15       70       (21 )   $ 49  

Total

          $ 4,361     $ (778 )   $ 3,583     $ 4,361     $ (489 )   $ 3,872  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal Year Ending November 30,

       

2024

  $ 269  

2025

    254  

2026

    254  

2027

    254  

2028

    254  

Thereafter

    1,938  

Total

  $ 3,223