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Subsequent Events, Unaudited pro forma consolidated results of operations (Details) (Subsequent Event [Member], AutoUSA [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Subsequent Event [Member] | AutoUSA [Member]
   
Unaudited pro forma consolidated results [Abstract]    
Revenue $ 95,888 $ 104,461
Net Income $ 2,722 $ 39,614