Discontinued Operations (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total revenue		$ 0	$ 1,055	$ 0	$ 2,063
Gross margin		0	937	0	1,813
Selling & marketing expenses		0	332	0	653
General & administrative expenses		0	203	0	422
Restructuring costs		0	10,233	0	10,233
Operating loss from discontinued operations		0	(9,830)	0	(9,494)
Income tax benefit on discontinued operations		0	1,010	0	984
Net loss from discontinued operations		$ 0	$ (8,820)	$ 0	$ (8,540)
BookRags [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Gross proceeds from sale of BookRags	$ 5,000