Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Intangible Assets (Tables)

v3.23.1
Note 11 - Intangible Assets (Tables)
3 Months Ended
Feb. 28, 2023
Notes Tables  
Schedule of Intangible Assets and Goodwill [Table Text Block]
           

Balance at February 28, 2023

   

Balance at 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     $ (532 )   $ 3,399     $ 3,931     $ (468 )   $ 3,463  

Trademarks

 

Indefinite

      360             360       360             360  

Customer List

  2       70       (29 )     41       70       (21 )     49  

Total

          $ 4,361     $ (561 )   $ 3,800     $ 4,361     $ (489 )   $ 3,872  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Fiscal Year Ending November 30,

       

2023 (nine months)

  $ 217  

2024

    272  

2025

    254  

2026

    254  

2027

    254  

Thereafter

    2,189  

Total

  $ 3,440