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Note 12 - Intangible Assets
 9 Months Ended
Aug. 31, 2024
Notes to Financial Statements  
Intangible Assets Disclosure [Text Block]

12.

INTANGIBLE ASSETS

 

The components of intangible assets were as follows (in thousands):

 

     

Balance at August 31, 2024

  

Balance at November 30, 2023

 
  

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  $(914) $3,041  $3,931  $(723) $3,208 

Trademarks

 

Indefinite

   360   —   360   360   —   360 

Customer List

 

2

   70   (70)  —   70   (55)  15 

Total

    $4,385  $(984) $3,401  $4,361  $(778) $3,583 

 

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

 

Intangible assets amortization expenses are recorded within operating expenses in the accompanying Condensed Consolidated Statements of Operations and Comprehensive Income (Loss).  Total intangible assets amortization expense for the nine months ended August 31, 2024 and 2023 were $0.1  million and $0.2 million, respectively. Total intangible assets amortization expense for the three months ended August 31, 2024 and 2023 were less than $0.1  million and $0.1 million, respectively. 

 

Estimated future amortization expense related to intangible assets as of August 31, 2024 are as follows (in thousands):

 

Fiscal Year Ending November 30,

    

2024 (remaining three months)

 $64 

2025

  257 

2026

  257 

2027

  257 

2028

  257 

Thereafter

  1,949 

Total

 $3,041