DISCONTINUED OPERATIONS (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Nov. 09, 2014	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of Disposal Group, Including Discontinued Operation, Current			$ 38	$ 81
Business reorganization			1,580	5,828	$ 3,789
Impairment of long-lived assets			$ 0	$ 0	$ 662
Impairment charges related to assets no longer in use		$ 467
Effective income tax rate reconciliation, at federal statutory income tax rate			35.00%	35.00%	35.00%
eDiscovery [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 23,000
Revenue			$ 30	$ (1)	$ 54,620
Gross margin			130	(30)	9,227
Business reorganization			(111)	501	2,861
Impairment of long-lived assets					467
Operating income (loss), excluding gain (loss) from sale of business			187	(731)	(5,491)
Other non-operating income (loss), including interest			0	(8)	(9)
Gain (loss) from sale of discontinued operations			0	137	11,333
Income (loss) from discontinued operations before income taxes			187	(602)	5,833
Provision (benefit) for income taxes			25	(37)	2,121
Income (loss) from discontinued operations			162	(565)	3,712
Sweden [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			0	30	1,513
Gross margin			0	30	864
Business reorganization			0	(29)	416
Impairment of long-lived assets					0
Operating income (loss), excluding gain (loss) from sale of business			(19)	14	(1,087)
Other non-operating income (loss), including interest			0	0	(33)
Gain (loss) from sale of discontinued operations			0	1,273	0
Income (loss) from discontinued operations before income taxes			(19)	1,287	(1,120)
Provision (benefit) for income taxes			0	0	0
Income (loss) from discontinued operations			(19)	1,287	(1,120)
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of Disposal Group, Including Discontinued Operation, Current			38	81
Liabilities of Disposal Group, Including Discontinued Operation			291	1,443
Revenue			30	29	56,133
Gross margin			130	0	10,091
Business reorganization			(111)	472	3,277
Impairment of long-lived assets					467
Operating income (loss), excluding gain (loss) from sale of business			168	(717)	(6,578)
Other non-operating income (loss), including interest			0	(8)	(42)
Gain (loss) from sale of discontinued operations			0	1,410	11,333
Income (loss) from discontinued operations before income taxes			168	685	4,713
Provision (benefit) for income taxes			25	(37)	2,121
Income (loss) from discontinued operations			143	722	$ 2,592
Discontinued Operations [Member] | eDiscovery [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Other Assets			38	49
Liabilities of Disposal Group, Including Discontinued Operation			291	1,439
Discontinued Operations [Member] | Sweden [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Other Assets			0	32
Liabilities of Disposal Group, Including Discontinued Operation			$ 0	$ 4