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Note 4 - Intangible Assets
9 Months Ended
Sep. 30, 2022
Notes to Financial Statements  
Intangible Assets Disclosure [Text Block]

Note 4  Intangible Assets 

 

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

 

  

September 30, 2022

  

December 31, 2021

 

Customer relationships

 $626  $626 

Patents and trademarks

  441   441 

Total intangible assets

  1,067   1,067 

Accumulated amortization

  (831)  (668)

Net carrying value

 $236  $399 

 

 

The useful lives of our intangible assets are estimated to be five years at inception. For the three and nine months ended September 30, 2022 and 2021, amortization expense was approximately $54,000 and $163,000, respectively. 

 

The following table represents the amortization expense for the twelve months ending September 30 (in thousands): 

 

  

2023

  

2024

  

2025

  

2026

  

2027

 

Customer relationships

 $125  $10  $-  $-  $- 

Patents and trademarks

  93   8   -   -   - 

Total intangible asset amortization expense

 $218  $18  $-  $-  $-