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Goodwill and Intagible Assets Goodwill Rollforward (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Goodwill [Roll Forward]  
Balance at December 31, 2012 $ 4,712
Goodwill allocated to Headland Media Limited 12,841
Foreign currency translation adjustment (587)
Balance at June 30, 2013 $ 16,966