DISCONTINUED OPERATIONS - Income Statement Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 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	$ 35	$ (55)	$ 327	$ 864
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Gain (Loss) from Sale of Discontinued Operations	0	42	0	1,410
Revenue	30	11	30	16
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)	71	135	130	38
Disposal Group, Including Discontinued Operation, Restructuring Charges	34	155	(309)	482
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	29	(55)
Discontinued Operation, Tax Effect of Discontinued Operation	(6)	0
Income (loss) from discontinued operations, net of income taxes	35	(55)
Disposal Group, Including Discontinued Operation, Income (Loss) Before Income Taxes			385	827
Disposal Group, Including Discontinued Operation, Income Tax (Benefit) Expense			58	(37)
Disposal Group, Including Discontinued Operation, Income (Loss), Net of Tax			327	864
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	29	(97)	385	(575)
Disposal Group, Including Discontinued Operation, Other Income (Loss)			0	(8)
Discontinued Operations | eDiscovery
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Gain (Loss) from Sale of Discontinued Operations	0	44	0	138
Revenue	30	0	30	(1)
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)	71	124	130	21
Disposal Group, Including Discontinued Operation, Restructuring Charges	34	155	(309)	511
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	29	(54)
Discontinued Operation, Tax Effect of Discontinued Operation	(6)	0
Income (loss) from discontinued operations, net of income taxes	35	(54)
Disposal Group, Including Discontinued Operation, Income (Loss) Before Income Taxes			385	(463)
Disposal Group, Including Discontinued Operation, Income Tax (Benefit) Expense			58	(37)
Disposal Group, Including Discontinued Operation, Income (Loss), Net of Tax			327	(426)
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	29	(98)	385	(593)
Disposal Group, Including Discontinued Operation, Other Income (Loss)			0	(8)
Discontinued Operations | Sweden
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Gain (Loss) from Sale of Discontinued Operations	0	(2)	0	1,272
Revenue	0	11	0	17
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)	0	11	0	17
Disposal Group, Including Discontinued Operation, Restructuring Charges	0	0	0	(29)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	0	(1)
Discontinued Operation, Tax Effect of Discontinued Operation	0	0
Income (loss) from discontinued operations, net of income taxes	0	(1)
Disposal Group, Including Discontinued Operation, Income (Loss) Before Income Taxes			0	1,290
Disposal Group, Including Discontinued Operation, Income Tax (Benefit) Expense			0	0
Disposal Group, Including Discontinued Operation, Income (Loss), Net of Tax			0	1,290
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	$ 0	$ 1	0	18
Disposal Group, Including Discontinued Operation, Other Income (Loss)			$ 0	$ 0