REPORTABLE SEGMENT AND GEOGRAPHICAL INFORMATION (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) segment product item	Jun. 30, 2014 USD ($)
REPORTABLE SEGMENT AND GEOGRAPHICAL INFORMATION
Number of products sold by entity | product			1
Number of industries in which products are sold to global customers | item			1
Number of reportable segments | segment			1
Reconciliation of Adjusted EBITDA to Net Loss from Continuing Operations
Adjusted EBITDA	$ (3,045)	$ (3,852)	$ (6,082)	$ (7,788)
Depreciation	(512)	(515)	(1,002)	(1,026)
Interest (expense) income , net	(52)	16	(48)	20
Income tax expense	(53)	(596)	(106)	(735)
Restructuring			(139)	(41)
Stock-based compensation	(222)	(88)	(375)	(701)
Non-cash reversal of loss contingency (Note 9)		4,089		4,089
Loss on reclassification of held for sale assets		(1,323)		(1,323)
(Gain) loss on disposal of fixed assets		2		(431)
Net loss from continuing operations	(3,313)	(1,640)	(5,919)	(6,282)
Reporting segment
Reconciliation of Adjusted EBITDA to Net Loss from Continuing Operations
Adjusted EBITDA	(2,480)	(3,982)	(4,249)	(6,905)
Reconciling items
Reconciliation of Adjusted EBITDA to Net Loss from Continuing Operations
Restructuring	$ 6	$ 757	$ (139)	$ 730