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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2014
Goodwill and Intangible Assets [Abstract]  
Goodwill and Intangible Assets
Note 3. Goodwill and Intangible Assets

The goodwill balance was $14.9 million as of December 31, 2014 and 2013.  Goodwill is subject to annual impairment tests and if triggering events are present before the annual tests, we will assess impairment.  As of December 31, 2014, no impairment charges were taken.

Intangible assets consist primarily of customer relationship enhancements. Intangible assets are amortized on a straight-line basis over their estimated useful lives of 5 years. The amortization is based on a forecast of approximately equal annual customer orders over the 5-year period. Amortization expense for 2014, 2013 and 2012 was $2.3 million.  Amortization expense will be $2.3 million annually, through June 30, 2016.  Intangible assets are subject to impairment review if there are events or changes in circumstances that indicate that the carrying amount is not recoverable.  As of December 31, 2014, no impairment charges were taken.
 
Intangible assets consist of the following:
  
December 31, 2014
  
December 31, 2013
 
  
Cost
  
Accumulated Amortization
  
 
Cost
  
Accumulated Amortization
 
Intangible assets
 
$
11,286
  
$
7,900
  
$
11,286
  
$
5,643
 
  
$
11,286
  
$
7,900
  
$
11,286
  
$
5,643