DISCONTINUED OPERATIONS - Income Statement Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of income taxes	$ (16)	$ 35	$ (34)	$ 327
Discontinued Operations | eDiscovery
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue	0	30	0	30
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)	0	71	0	130
Disposal Group, Including Discontinued Operation, Restructuring Charges	16	34	34	(309)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	(16)	29	(34)	385
Discontinued Operation, Tax Effect of Discontinued Operation	0	(6)	0	58
Income (loss) from discontinued operations, net of income taxes	(16)	35	(34)	327
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	$ (16)	$ 29	$ (34)	$ 385