Organization and basis of presentation (Details 1) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Disposal Group, Including Discontinued Operation, Assets, Total	$ 5,526	$ 6,626
IT Equipment [Member]
Disposal Group, Including Discontinued Operation, Assets, Total	17
Domain [Member]
Disposal Group, Including Discontinued Operation, Assets, Total	39
Customer Lists [Member]
Disposal Group, Including Discontinued Operation, Assets, Total	101
Source Code [Member]
Disposal Group, Including Discontinued Operation, Assets, Total	421
Goodwill [Member]
Disposal Group, Including Discontinued Operation, Assets, Total	$ 4,948