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Other Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Other Accrued Liabilities [Abstract]    
Accrued expenses $ 2,502us-gaap_OtherAccruedLiabilitiesCurrent $ 2,135us-gaap_OtherAccruedLiabilitiesCurrent
Customer deposits 352us-gaap_CustomerDepositsCurrent 481us-gaap_CustomerDepositsCurrent
Restructuring expenses 0us-gaap_RestructuringReserveCurrent 431us-gaap_RestructuringReserveCurrent
Other accrued liabilities 175us-gaap_OtherLiabilities 312us-gaap_OtherLiabilities
Total other accrued liabilities $ 3,029us-gaap_AccruedLiabilitiesCurrent $ 3,359us-gaap_AccruedLiabilitiesCurrent