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Intangible Assets, Net
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net

6. Intangible Assets, Net

Intangible assets consist of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

Estimated

 

 

 

 

 

 

    

 

Useful Life

 

December 31, 

 

    

(in years)

    

2020

    

2019

Trademarks

 

8

 

$

4,000

 

$

4,000

Physician Network

 

6

 

 

3,500

 

 

3,500

Website

 

5

 

 

2,000

 

 

2,000

 

 

 

 

 

9,500

 

 

9,500

Less:  accumulated amortization

 

 

 

 

(8,287)

 

 

(7,125)

Total intangible assets, net

 

 

 

$

1,213

 

$

2,375

 

Amortization expense was $1.2 million for the year ended December 31, 2020 and $1.5 million for the years ended December 31, 2019, and 2018.

As of December 31, 2020, the future amortization expense of other intangible assets is as follows (in thousands):

 

 

 

 

 

 

Year ending December 31:

 

 

    

 

 

2021

 

 

 

$

614

2022

 

 

 

 

500

2023

 

 

 

 

99

Thereafter

 

 

 

 

 —

Total

 

 

 

$

1,213