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Intangible Assets, Net and Other Assets
12 Months Ended
Dec. 31, 2019
Intangible Assets, Net and Other Assets [Abstract]  
Intangible Assets, Net and Other Assets
Note 9.
Intangible Assets, Net and Other Assets

The following table provides the components of identifiable intangible assets, all of which are finite lived:

  
December 31,
 
  
2019
  
2018
 
Purchase technology-based intangible
 
$
2,358
  
$
2,358
 
Purchased patent
  
509
   
509
 
   
2,867
   
2,867
 
Less: accumulated amortization
  
(2,714
)
  
(2,663
)
Intangible assets, net
 
$
153
  
$
204
 
Other Assets, Primarily Security Deposits
  286
   239
 
Total Intangible Assets, Net and Other Assets
 $439
  $443
 

Amortization expense was $51 and $50 for each of the years ended December 31, 2019 and 2018, respectively. During the remaining life of the purchased patent, estimated annual amortization expense is $50 for each of the years from 2020 to 2022.