DISCONTINUED OPERATIONS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
DISCONTINUED OPERATIONS
Loss from discontinued operations	$ 33	$ 92	$ 60	$ 247
Results of operations, which are reflected as discontinued operations
LOSS FROM DISCONTINUED OPERATIONS	(33)	(92)	(60)	(247)
Discontinued Operations, Held-for-sale
Assets:
Accounts receivable, net	10		10		$ 11
Inventories, net	9		9		9
Assets Held For Sale Related To Discontinued Operations	19		19		20
Liabilities:
Accrued liabilities	27		27		27
Customer deposits and other current obligations	2		2		3
Total Liabilities Held For Sale Related To Discontinued Operations	29		29		$ 30
Service Segment
DISCONTINUED OPERATIONS
Loss from discontinued operations	33	92	60	247
Results of operations, which are reflected as discontinued operations
Revenues		60	1	128
Cost of sales	(32)	(91)	(58)	(156)
Selling, general and administrative	(1)	(51)	(3)	(58)
Impairment of held for sale assets and liabilities and gain on sale of assets		(10)		(161)
LOSS FROM DISCONTINUED OPERATIONS	$ (33)	$ (92)	$ (60)	$ (247)