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Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Acquisition of intangible assets  
Total intangible assets, gross $ 251
Less: accumulated amortization (48)
Total intangible assets, net 203
Trade names [Member]
  
Acquisition of intangible assets  
Amortization Life Years 5 years
Total intangible assets, gross 72
Non-compete agreement [Member]
  
Acquisition of intangible assets  
Amortization Life Years 5 years
Total intangible assets, gross 26
Technology [Member]
  
Acquisition of intangible assets  
Amortization Life Years 5 years
Total intangible assets, gross 135
Domain name [Member]
  
Acquisition of intangible assets  
Amortization Life Years 1 year
Total intangible assets, gross $ 18