ASSETS HELD FOR SALE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operations, Allowance for Doubtful Accounts		$ 58
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	$ (2,700)	1,100	$ 4,300
Disposal Group, Including Discontinued Operation, Revenue	700	14,800	$ 18,200
Proceeds from Divestiture of Businesses	2,800
Disposal Group, Working Capital Adjustment	400
Divestiture of business selling costs	800
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 639
Accounts receivable, net of allowance for doubtful accounts of $58		3,625
Other assets-current		29
Fixed assets, net		594
Other assets--non-current		17
Total Assets		4,265
Accounts payable and accrued expenses		1,342
Deferred revenue		969
Income taxes payable		23
Total liabilities		$ 2,334