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RESTRUCTURING EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in restructuring expenses
Balance, beginning of period	$ 462us-gaap_RestructuringReserve	$ 906us-gaap_RestructuringReserve	$ 1,336us-gaap_RestructuringReserve
Restructuring expense (income)	13us-gaap_BusinessExitCosts1	56us-gaap_BusinessExitCosts1	(146)us-gaap_BusinessExitCosts1
Payments	(297)us-gaap_PaymentsForRestructuring	(500)us-gaap_PaymentsForRestructuring	(284)us-gaap_PaymentsForRestructuring
Balance, end of period	178us-gaap_RestructuringReserve	462us-gaap_RestructuringReserve	906us-gaap_RestructuringReserve
Employee Termination Costs
Changes in restructuring expenses
Balance, beginning of period	0	0	129
Restructuring expense (income)	0	0	(29)
Payments	0	0	(100)
Balance, end of period	0	0	0
Continuing Lease Obligations
Changes in restructuring expenses
Balance, beginning of period	462	906	1,207
Restructuring expense (income)	13	56	(47)
Payments	(297)	(500)	(254)
Balance, end of period	178	462	906
Other
Changes in restructuring expenses
Balance, beginning of period	0	0	0
Restructuring expense (income)	0	0	(70)
Payments	0	0	70
Balance, end of period	$ 0	$ 0	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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