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Derivatives and Other Financial Instruments (Details 1) (Foreign Currency Exchange Contracts [Member], Nondesignated [Member], Foreign Currency Exchange Contracts [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Foreign Currency Exchange Contracts [Member] | Nondesignated [Member] | Foreign Currency Exchange Contracts [Member]
    
Derivatives, Fair Value [Line Items]    
Amount of Gain (Loss) Recognized in Operations $ 24us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ForeignCurrencyGainLossMember		 $ 13us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ForeignCurrencyGainLossMember