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Goodwill and Other Intangible Assets
3 Months Ended
Mar. 31, 2016
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, 2016 and December 31, 2015 are as follows: 
 
 
March 31, 2016
 
December 31, 2015
Goodwill
 
$
4,150,339

 
$
4,150,339

Other intangible assets:
 
 

 
 

Gross carrying amount
 
$
3,630,203

 
$
3,609,524

Accumulated amortization
 
(3,394,864
)
 
(3,353,387
)
Net carrying amount
 
$
235,339

 
$
256,137



For the three months ended March 31, 2016 and 2015, amortization expense was $41,477 and $35,318, respectively.