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Goodwill and Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Bigstockphoto Inc
Dec. 31, 2013
Bigstockphoto Inc
Sep. 30, 2014
WebDAM
Changes in goodwill        
Balance at the beginning of the period $ 1,423 $ 1,423 $ 1,423  
Goodwill related to acquisition 8,763     8,763
Balance at the end of the period $ 10,186 $ 1,423 $ 1,423 $ 8,763