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Goodwill and Other Intangible Assets
9 Months Ended
Sep. 30, 2014
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 September 30, 2014 and December 31, 2013 are as follows: 
 
 
September 30, 2014
 
December 31, 2013
Goodwill
 
$
4,150,339

 
$
4,150,339

Other intangible assets:
 
 

 
 

Gross carrying amount
 
$
3,324,502

 
$
3,256,709

Accumulated amortization
 
(3,167,826
)
 
(3,077,113
)
Net carrying amount
 
$
156,676

 
$
179,596



For the three months ended September 30, 2014 and 2013, amortization expense was $29,897 and $34,108, respectively. For the nine months ended September 30, 2014 and 2013, amortization expense was $90,713 and $91,337, respectively.