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Asset Retirement Obligations (Details Textual) (USD $)
 6 Months Ended
Mar. 31, 2015
Sep. 30, 2014
Asset Retirement Obligations (Textual)    
Estimate of undiscounted cash flows related to asset retirement obligation $ 608,438dwog_UndiscountedCashFlowForAssetRetirementObligation $ 689,445dwog_UndiscountedCashFlowForAssetRetirementObligation
Fair value of liability $ 421,645us-gaap_AssetRetirementObligationsNoncurrent $ 469,013us-gaap_AssetRetirementObligationsNoncurrent
Risk free rate 3.74%us-gaap_FairValueAssumptionsRiskFreeInterestRate  
Inflation rate 2.00%dwog_InflationRate  
Term of settlement of the obligation 35 years