DISCONTINUED OPERATIONS - Income Statement Disclosures (Details) - Discontinued Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 11	$ 14,026	$ 16	$ 48,015
Gross margin	135	2,062	38	8,502
Reorganization expenses	155	963	482	963
Operating income (loss), excluding gain (loss) from sale of business	(97)	(2,670)	(575)	(3,540)
Other non-operating income (loss), including interest	0	(13)	(8)	(40)
Gain (loss) from sale and liquidation of discontinued operations (1)	42	0	1,410	0
Income (loss) from discontinued operations before income taxes	(55)	(2,683)	827	(3,580)
Provision (benefit) for income taxes	0	(235)	(37)	110
Income (loss) from discontinued operations	(55)	(2,448)	864	(3,690)
eDiscovery
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	13,812	(1)	46,513
Gross margin	124	2,007	21	7,647
Reorganization expenses	155	555	511	555
Operating income (loss), excluding gain (loss) from sale of business	(98)	(1,957)	(593)	(2,452)
Other non-operating income (loss), including interest	0	(2)	(8)	(8)
Gain (loss) from sale and liquidation of discontinued operations (1)	44	0	138	0
Income (loss) from discontinued operations before income taxes	(54)	(1,959)	(463)	(2,460)
Provision (benefit) for income taxes	0	(235)	(37)	110
Income (loss) from discontinued operations	(54)	(1,724)	(426)	(2,570)
Sweden
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	11	214	17	1,502
Gross margin	11	55	17	855
Reorganization expenses	0	408	(29)	408
Operating income (loss), excluding gain (loss) from sale of business	1	(713)	18	(1,088)
Other non-operating income (loss), including interest	0	(11)	0	(32)
Gain (loss) from sale and liquidation of discontinued operations (1)	(2)	0	1,272	0
Income (loss) from discontinued operations before income taxes	(1)	(724)	1,290	(1,120)
Provision (benefit) for income taxes	0	0	0	0
Income (loss) from discontinued operations	$ (1)	$ (724)	$ 1,290	$ (1,120)