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Income Taxes (Details) (USD $)
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Statutory and effective tax rate    
Domestic Statutory U.S. federal rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Foreign 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Income taxes recovered at the statutory and effective tax rate    
Domestic Statutory U.S. federal rate $ 449,831us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ 607,443us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Foreign 188,757us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential 181,963us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Timing differences:    
Non-deductible expenses (487,505)us-gaap_IncomeTaxReconciliationNondeductibleExpense (74,171)us-gaap_IncomeTaxReconciliationNondeductibleExpense
Other deductible charges 59,858us-gaap_IncomeTaxReconciliationDeductions 67,568us-gaap_IncomeTaxReconciliationDeductions
Benefit of tax losses not recognized in the year (210,941)dwog_IncomeTaxReconciliationTaxBenefitNotRecognized (782,803)dwog_IncomeTaxReconciliationTaxBenefitNotRecognized
Income tax recovery (expense) recognized in the year