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Common Stock (Details 1) (Warrant [Member], USD $)
6 Months Ended
Mar. 31, 2015
Warrant [Member]
 
Summary of warrant activity  
Number of underlying shares, Beginning Balance 72,424,759us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Number of Warrants, Warrants Cancelled   
Number of Warrants, Warrants granted   
Number of Warrants, Warrants Exercised 47,618dwog_ClassOfWarrantOrRightExercisedInPeriodOne
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Number of underlying shares, Ending Balance 72,377,141us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Outstanding Warrants, Number of Warrants 72,377,141us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Weighted Average Exercise Price, Beginning balance $ 0.105dwog_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Weighted Average Exercise Price, Warrants cancelled   
Weighted Average Exercise Price, Warrants granted   
Weighted Average Exercise Price, Warrants exercised $ 0.105dwog_WeightedAverageExercisePriceExercisedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Weighted Average Exercise Price, Ending balance $ 0.105dwog_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Outstanding Warrants, Weighted Average Exercise Price $ 0.105us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Intrinsic Value, Beginning balance $ 0.215dwog_ClassOfWarrantExercisableIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Intrinsic Value, Warrants cancelled   
Intrinsic Value, Warrants granted   
Intrinsic Value, Warrants exercised   
Intrinsic Value, Balance, Ending balance   
Outstanding Warrants, Intrinsic Value