Quarterly report pursuant to Section 13 or 15(d)

Property, Plant, and Equipment, net - Deprecation Expense (Details)

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Property, Plant, and Equipment, net - Deprecation Expense (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Property, Plant and Equipment [Line Items]        
Total depreciation expense $ 1,834 $ 1,106 $ 5,170 $ 2,357
Cost of sales
       
Property, Plant and Equipment [Line Items]        
Total depreciation expense 567 546 2,197 1,256
Sales and marketing expenses
       
Property, Plant and Equipment [Line Items]        
Total depreciation expense 163 0 377 0
Product development
       
Property, Plant and Equipment [Line Items]        
Total depreciation expense 295 18 580 51
General and administrative
       
Property, Plant and Equipment [Line Items]        
Total depreciation expense $ 809 $ 542 $ 2,016 $ 1,050