Annual report pursuant to Section 13 and 15(d)

4 Income Taxes - Reconciliation of change in the net deferred tax assets and liabilities (Details)

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4 Income Taxes - Reconciliation of change in the net deferred tax assets and liabilities (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Reconciliation of change in the net deferred tax assets and liabilities:    
Net change in deferred income tax assets and liabilities from the preceeding table: $ 457us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability $ (152)us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
Net change in deferred income tax assets and liabilities associated with Other Comprehensive Income      
Deferred income tax benefit for the period $ 457us-gaap_DeferredIncomeTaxesAndTaxCredits $ 1,118us-gaap_DeferredIncomeTaxesAndTaxCredits