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Severance and Other Charges (Details) - Company`s accrual for severance and other charges (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011
Severance and Other Charges (Details) - Company`s accrual for severance and other charges [Line Items]
Accrual	$ 530	$ 490	$ 490
Provision	623		889
Payments and other settlements	(583)	(399)
Employee Severance [Member]
Severance and Other Charges (Details) - Company`s accrual for severance and other charges [Line Items]
Accrual	530	306	306
Provision	596		572
Payments and other settlements	(372)	(266)
Lease Exist Costs [Member]
Severance and Other Charges (Details) - Company`s accrual for severance and other charges [Line Items]
Accrual		184	184
Provision	27		184
Payments and other settlements	(211)
Other Charges [Member]
Severance and Other Charges (Details) - Company`s accrual for severance and other charges [Line Items]
Accrual
Provision			133
Payments and other settlements		$ (133)

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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