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Accounts Receivable - Changes in Doubtful Accounts Reserve (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Accounting Policies [Abstract]  
Balance at December 31, $ 70
Additional reserve for nine months 25
Recoveries (14)
Accounts receivable written off   
Foreign currency translation (5)
Balance at September 30, $ 76