XML 24 R13.htm IDEA: XBRL DOCUMENT v3.19.1
Goodwill and Other Intangible Assets
3 Months Ended
Mar. 31, 2019
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, 2019 and December 31, 2018 are as follows: 
 
 
March 31, 2019
 
December 31, 2018
Goodwill
 
$
4,150,339

 
$
4,150,339

Other intangible assets:
 
 

 
 

Gross carrying amount
 
$
3,917,606

 
$
3,891,241

Accumulated amortization
 
(3,824,490
)
 
(3,799,907
)
Net carrying amount
 
$
93,116

 
$
91,334



For the three months ended March 31, 2019 and 2018, amortization expense was $24,584 and $34,279, respectively.