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Business Combinations Pro forma information (Details) - Chango Inc [Member]
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2015
USD ($)
$ / shares
Business Acquisition [Line Items]  
Pro forma revenues $ 50,385
Pro forma net loss $ (8,033)
Pro forma net loss per share, basic and diluted | $ / shares $ (0.20)