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Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Loss Carryforwards [Line Items]      
Tax benefits from stock-based compensation arrangements $ 594,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation $ 831,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation $ (1,392,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
AMT credt carryforward 1,177,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax 1,346,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax  
Unrecognized Tax Benefits 0us-gaap_UnrecognizedTaxBenefits 0us-gaap_UnrecognizedTaxBenefits  
Unrecognized Tax Benefits, Period Increase (Decrease) 0us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued    
Domestic Tax Authority [Member]      
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards 6,000,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember		    
Operating Loss Carryforwards, Expiration Date Dec. 31, 2029    
Foreign Tax Authority [Member]      
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards 9,600,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember		    
Operating Loss Carryforwards, Expiration Date Dec. 31, 2034    
Tax Credit Carryforward, Amount $ 302,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember		    
Tax Credit Carryforward, Expiration Date Dec. 31, 2024