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Intangible Assets, Net
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net

5. Intangible Assets, Net

 

The gross carrying amount and accumulated amortization of separately identifiable intangible assets are as follows:

 

    As of December 31, 2021  
    Gross
Carrying
Amount		     Accumulated
Amortization		     Net
Carrying
Amount		  
Patent   $ 7,000     $ (4,083 )   $ 2,917  
Trademark     45,000       (17,000 )     28,000  
Total intangible assets   $ 52,000     $ (21,083 )   $ 30,917  

 

    As of December 31, 2020  
    Gross
Carrying
Amount		     Accumulated
Amortization		     Net
Carrying
Amount		  
Patent   $ 7,000     $ (3,617 )   $ 3,383  
Trademark     45,000       (14,000 )     31,000  
Total intangible assets   $ 52,000     $ (17,617 )   $ 34,383  

 

Amortization expense for each of the years ended December 31, 2021 and 2020 was $3,466.

 

Estimated amortization expense for all intangible assets subject to amortization in future years is expected to be:

 

Years ended December 31,  Amortization 
2022  $3,467 
2023   3,467 
2024   3,467 
2025   3,467 
Thereafter   17,049 
Total  $30,917