REPORTABLE SEGMENT AND GEOGRAPHICAL INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013 item	Jun. 30, 2012
REPORTABLE SEGMENT AND GEOGRAPHICAL INFORMATION
Number of products sold by entity				1
Number of industries in which products are sold to global customers				1
Number of reportable segments				1
Reconciliation of Adjusted EBITDA to Net Loss from Continuing Operations
Amortization of deferred financing costs	$ (17)	$ (81)		$ (34)	$ (163)
Interest expense, net	(7)	(50)		(6)	(111)
Income tax benefit	2,234	1,475		4,078	2,450
Restructuring				(1,664)
Goodwill impairment			(82,524)		(82,524)
Stock-based compensation				(1,114)	(2,978)
Net loss from continuing operations	(4,491)	(2,421)		(8,701)	(84,552)
Reporting segment
Reconciliation of Adjusted EBITDA to Net Loss from Continuing Operations
Adjusted EBITDA	(5,286)	2,124		(8,905)	7,105
Unallocated amount to reporting segment
Reconciliation of Adjusted EBITDA to Net Loss from Continuing Operations
Depreciation and amortization	(524)	(4,385)		(1,016)	(8,331)
Amortization of deferred financing costs	(17)	(81)		(34)	(163)
Interest expense, net	(7)	(50)		(6)	(111)
Income tax benefit	2,234	1,475		4,078	2,450
Restructuring	(91)			(1,664)
Goodwill impairment					(82,524)
Stock-based compensation	(760)	(1,504)		(1,114)	(2,978)
Loss on disposal of fixed assets	$ (40)			$ (40)