| Intangible Assets (Tables) | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Dec. 31, 2013 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Intangible Assets | |||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of intangible assets | 
 
 
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- Details 
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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