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Note 9 - Intangible Assets
12 Months Ended
Nov. 30, 2022
Notes to Financial Statements  
Intangible Assets Disclosure [Text Block]

9.

INTANGIBLE ASSETS

 

The components of intangible assets were as follows:

 

      

As of November 30, 2022

  

As of November 30, 2021

 
  

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  $(468) $3,463  $3,895  $(227) $3,668 

Trademarks

 

Indefinite

   360      360          

Customer List

  2   70   (21)  49          

Total

     $4,361  $(489) $3,872  $3,895  $(227) $3,668 

 

The trademarks have an indefinite life and will be assessed annually for impairment.  All other intangible assets are finite-lived.

 

Intangible assets amortization expenses are recorded within operating expenses in the accompanying Consolidated Statements of Operations and Comprehensive Loss.  Total intangible assets amortization expense for the years ended  November 30, 2022 and 2021 were $0.3 million and $0.2 million, respectively.  

 

Estimated future amortization expense related to intangible assets as of November 30, 2022 are as follows (in thousands):

 

Fiscal Year Ending November 30,

    

2023

 $289 

2024

  267 

2025

  254 

2026

  254 

2027

  254 

Thereafter

  2,194 

Total

 $3,512