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Goodwill (Tables)
12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill [Table Text Block]
The change in the carrying amount of goodwill for the two years ended December 31, 2013 was:
 
Balance as of January 1, 2012
 
$
4,687
 
Changes in goodwill during the year
 
 
 
Balance as of December 31, 2012
 
 
4,687
 
Changes in goodwill during the year
 
 
 
Balance as of December 31, 2013
 
$
4,687