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Goodwill and Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Goodwill / Tradename    
Beginning balance $ 14,661 $ 14,713
Acquisition earn-out settlement 21   
Foreign currency adjustments 95 (52)
Ending balance 14,777 14,661
Beginning balance 3,218 3,225
Acquisition earn-out settlement      
Foreign currency adjustments 12 (7)
Ending balance $ 3,230 $ 3,218