INTANGIBLE ASSETS (Details) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended								0 Months Ended						0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Research and development expense	Sep. 30, 2012 Research and development expense	Sep. 30, 2013 Research and development expense	Sep. 30, 2012 Research and development expense	Sep. 30, 2013 Cost of service	Sep. 30, 2012 Cost of service	Sep. 30, 2013 Cost of service	Sep. 30, 2012 Cost of service	Sep. 30, 2013 Sales and marketing	Sep. 30, 2012 Sales and marketing	Sep. 30, 2013 Sales and marketing	Sep. 30, 2012 Sales and marketing	Apr. 02, 2013 Livemocha, Inc.	Aug. 01, 2013 Lexia	Sep. 30, 2013 Core technology	Dec. 31, 2012 Core technology	Sep. 30, 2013 Customer relationships	Dec. 31, 2012 Customer relationships	Apr. 02, 2013 Customer relationships Livemocha, Inc.	Aug. 01, 2013 Customer relationships Lexia	Sep. 30, 2013 Website	Dec. 31, 2012 Website	Sep. 30, 2013 Patents	Dec. 31, 2012 Patents	Apr. 02, 2013 Online community Livemocha, Inc.	Apr. 02, 2013 Technology platform Livemocha, Inc.	Aug. 01, 2013 Technology platform Lexia	Apr. 02, 2013 Tradename Livemocha, Inc.	Aug. 01, 2013 Tradename Lexia	Sep. 30, 2013 Trade name/ trademark	Dec. 31, 2012 Trade name/ trademark
Intangible assets
Carrying amount of indefinite assets																																				$ 10,607,000
Gross Carrying Amount	44,223,000		44,223,000		24,222,000
Gross carrying amount of finite-lived intangible assets																				9,953,000	2,453,000	22,151,000	10,850,000			12,000	12,000	300,000	300,000						11,807,000
Accumulated Amortization	(14,422,000)		(14,422,000)		(13,397,000)															(2,891,000)	(2,453,000)	(11,324,000)	(10,850,000)			(12,000)	(12,000)	(112,000)	(82,000)						(83,000)
Net Carrying Amount	29,801,000		29,801,000		10,825,000																														11,724,000	10,607,000
Net carrying amount of finite-lived intangible assets	19,194,000		19,194,000																	7,062,000		10,827,000						188,000	218,000
Preliminary Estimated Useful Lives																								5 years	10 years					3 years	5 years	7 years	2 years	5 years
Preliminary Estimated Value																		5,500,000	14,500,000					100,000	9,400,000					1,800,000	3,400,000	4,100,000	200,000	1,000,000
Amortization of intangible assets	652,000	10,000	1,025,000	30,000		180,000	10,000	370,000	30,000	98,000	0	98,000	0	374,000	0	557,000	0
Summary of the estimated future amortization expense related to intangible assets
2013 - remaining	795,000		795,000
2014	3,171,000		3,171,000
2015	3,087,000		3,087,000
2016	2,605,000		2,605,000
2017	2,453,000		2,453,000
Thereafter	7,083,000		7,083,000
Total	19,194,000		19,194,000																	7,062,000		10,827,000						188,000	218,000
Impairment charges			$ 0	$ 0