Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Breakdown of the Company Revenue (Details)

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Summary of Significant Accounting Policies - Breakdown of the Company Revenue (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Inventory [Line Items]    
Revenues $ 23,633 $ 15,747
U.S. revenue
   
Inventory [Line Items]    
Revenues 19,187 12,523
Non-U.S. revenue
   
Inventory [Line Items]    
Revenues $ 4,446 $ 3,224