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Stock Options (Details 2) (USD $)
6 Months Ended 12 Months Ended
Mar. 31, 2015
Sep. 30, 2014
Oct. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of underlying shares, Beginning balance     4,350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Number of underlying shares, Ending balance     4,350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of underlying shares, Beginning balance 11,830,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Number of options, Granted   3,450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of option, Granted at October 28, 2013   250,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossOne
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of option, Granted at December 4, 2013   450,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossTwo
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of option, Granted at September 19, 2014   6,780,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossThree
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of option, Granted- November 17, 2014 600,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossFour
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Number of option, Vested at November 17, 2014 200,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedNumberOfShareTwo
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Number of option, Vested at December 4, 2014 150,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedNumberOfShareThree
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Number of underlying shares, Ending balance 12,430,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
11,830,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of underlying shares, exercisable 6,810,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
6,460,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted Average Exercise Price, Beginning balance $ 0.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted average exercise price, Granted   $ 0.05dwog_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceFour
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted average exercise price, Granted at October 28, 2013   $ 0.30us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted average exercise price, Granted at December 4, 2013   $ 0.34dwog_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceOne
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted average exercise price, Granted at September 19, 2014   $ 0.38dwog_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceTwo
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted average exercise price, Granted at November 17, 2014 $ 0.38dwog_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceThree
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted average exercise price, Vested at November 17, 2014 $ 0.38us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted average exercise price, Vested at December 4, 2014 $ 0.34dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardsOptionsVestedWeightedAverageGrantDateFairValueOne
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Weighted Average Exercise Price, Ending balance $ 0.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
$ 0.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Weighted average exercise price, exercisable $ 0.22us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
$ 0.21us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember