DISCONTINUED OPERATIONS - Income Statement Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of income taxes	$ 83	$ (184)
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	(1)
Disposal Group, Including Discontinued Operation, Restructuring Charges	(139)	357
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	0	82
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	109	(221)
Discontinued Operation, Tax Effect of Discontinued Operation	26	(37)
Income (loss) from discontinued operations, net of income taxes	83	(184)
Discontinued Operations | eDiscovery
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	(1)
Disposal Group, Including Discontinued Operation, Restructuring Charges	(139)	363
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	0	82
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	109	(193)
Discontinued Operation, Tax Effect of Discontinued Operation	26	(37)
Income (loss) from discontinued operations, net of income taxes	83	(156)
Discontinued Operations | Sweden
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	0
Disposal Group, Including Discontinued Operation, Restructuring Charges	0	(6)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	0	0
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	0	(28)
Discontinued Operation, Tax Effect of Discontinued Operation	0	0
Income (loss) from discontinued operations, net of income taxes	$ 0	$ (28)