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Goodwill and Other Intangible Assets
3 Months Ended
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets
Goodwill and Other Intangible Assets

The gross carrying amount and accumulated amortization of goodwill and other intangible assets as of March 31, 2020 and December 31, 2019 are as follows: 
 
 
March 31, 2020
 
December 31, 2019
Goodwill
 
$
4,150,339

 
$
4,150,339

Other intangible assets:
 
 

 
 

Gross carrying amount
 
$
3,958,462

 
$
3,947,103

Accumulated amortization
 
(3,874,213
)
 
(3,889,385
)
Net carrying amount
 
$
84,249

 
$
57,718



For the three months ended March 31, 2020 and 2019, amortization expense was $(15,171) and $24,584, respectively.