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Common Stock (Details) (Warrant [Member], USD $)
3 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Summary of Warrants    
Shares Underlying Warrants Outstanding 72,377,141us-gaap_ClassOfWarrantOrRightOutstanding 72,424,759us-gaap_ClassOfWarrantOrRightOutstanding
Shares Underlying Warrants Outstanding Weighted Average Remaining Contractual Life 10 months 24 days  
Shares Underlying Warrants Outstanding Weighted Average Exercise Price $ 0.105dwog_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePriceGrantedInPeriod  
Shares Underlying Warrants Exercisable 72,377,141dwog_ClassOfWarrantOrRightExercisable  
Shares Underlying Warrants Exercisable Weighted Average Exercise Price $ 0.105dwog_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice $ 0.105dwog_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice
$0.105 at December 31, 2014 [Member]    
Summary of Warrants    
Shares Underlying Warrants Outstanding 71,857,141us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeThreeMember
 
Shares Underlying Warrants Outstanding Weighted Average Remaining Contractual Life 10 months 24 days  
Shares Underlying Warrants Outstanding Weighted Average Exercise Price $ 0.105dwog_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePriceGrantedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeThreeMember
 
Shares Underlying Warrants Exercisable 71,857,141dwog_ClassOfWarrantOrRightExercisable
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeThreeMember
 
Shares Underlying Warrants Exercisable Weighted Average Exercise Price $ 0.105dwog_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeThreeMember
 
$0.075 at December 31, 2014 [Member]    
Summary of Warrants    
Shares Underlying Warrants Outstanding 520,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeMember
 
Shares Underlying Warrants Outstanding Weighted Average Remaining Contractual Life 1 year 5 months 19 days  
Shares Underlying Warrants Outstanding Weighted Average Exercise Price $ 0.075dwog_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePriceGrantedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeMember
 
Shares Underlying Warrants Exercisable 520,000dwog_ClassOfWarrantOrRightExercisable
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeMember
 
Shares Underlying Warrants Exercisable Weighted Average Exercise Price $ 0.075dwog_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= dwog_ExercisePriceRangeMember