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Stock Options (Details Textual) (USD $)
12 Months Ended 1 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 19, 2014
Consultants
Jun. 20, 2013
Consultants
Dec. 04, 2013
Directors
Mar. 23, 2011
Directors
Oct. 28, 2013
Aug. 15, 2013
Directors
Consultants
Nov. 28, 2005
Stock Options (Textual)                  
Number of option, Granted at June 20, 2013    4,850,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross              
Number of option, Granted at September 19, 2014 6,780,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossThree                 
Stock options - Exercised August 12, 2013, shares (Note 11)   1,800,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised              
Stock options - Exercised August 12, 2013 (Note 11)   $ 181,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised              
Unrecognized compensation cost related to awards 1,251,266us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized                
Share-based Compensation 1,087,356us-gaap_ShareBasedCompensation 125,099us-gaap_ShareBasedCompensation              
Expected term 5 years                
Expected volatility, Minimum 96.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum                
Expected volatility, Maximum 122.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum                
Risk-free Interest rate, Minimum 0.62%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum                
Risk-free Interest rate, Maximum 1.83%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum                
Portwest Investments Ltd [Member]                  
Stock Options (Textual)                  
Number of consultants     2dwog_NumberOfConsultants
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
2dwog_NumberOfConsultants
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
         
Description of stock options vesting     600,000 vesting immediately and remaining vesting on September 19, 2015. 500,000 vesting immediately and remaining vesting on June 20, 2014          
Number of option, Granted at June 20, 2013       1,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
         
Number of option, Granted at September 19, 2014     1,200,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossThree
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
           
Option exercise price     $ 0.38us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
$ 0.05us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
         
Number of shares vested immediately     600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
         
Option vesting period     5 years 5 years          
Directors [Member]                  
Stock Options (Textual)                  
Number of directors     7dwog_NumberOfDirectors
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
6dwog_NumberOfDirectors
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
1dwog_NumberOfDirectors
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
6dwog_NumberOfDirectors
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
     
Description of stock options vesting     200,000 vesting immediately and the remaining vesting one-third on September 19, 2015, and one-third on September 19, 2016, with a five-year life. 150,000 vesting immediately and the remaining vesting one-third on June 20, 2014, and one-third on June 20, 2015, with a five-year life. 150,000 vesting immediately and the remaining vesting one-third on December 4, 2014, and one-third on December 4, 2015, with a five-year life. 150,000 vesting immediately and the remaining vesting one-third on March 23, 2012, and one-third on March 23, 2013, with a five-year life.      
Number of option, Granted at June 20, 2013       450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
     
Number of option, Granted at September 19, 2014     600,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossThree
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
           
Option exercise price     $ 0.38us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
$ 0.05us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
$ 0.34us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
$ 0.14us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
     
Number of shares vested immediately     200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
150,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
150,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
150,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
     
Option vesting period     5 years 5 years 5 years 5 years      
Employee [Member]                  
Stock Options (Textual)                  
Number Of Employee     1dwog_NumberOfEmployee
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
1dwog_NumberOfEmployee
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
         
Description of stock options vesting     60,000 vesting immediately and the remaining vesting one-third on September 19, 2015, and one-third on September 19, 2016, with a five-year life. 50,000 vesting immediately and the remaining vesting one-third on June 20, 2014, and one-third on June 20, 2015, with a five-year life.          
Number of option, Granted at June 20, 2013       150,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
         
Number of option, Granted at September 19, 2014     180,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossThree
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
           
Option exercise price     $ 0.38us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
$ 0.05us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
         
Number of shares vested immediately     60,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
50,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
         
Option vesting period     5 years 5 years          
Contractor [Member]                  
Stock Options (Textual)                  
Number of option, Granted at June 20, 2013             250,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_ContractorMember
   
Option exercise price             $ 0.30us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_ContractorMember
   
Option vesting period             5 years    
Maximum                  
Stock Options (Textual)                  
Maximum percentage of number of shares which may be reserved for issuance                 10.00%dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingAwardAsPercentageOfSharesIssued
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Stock options and stock units issued vesting percentage                 2.00%dwog_StockOptionsAndStockUnitsIssuedVestingPercentage
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Stock Options [Member]                  
Stock Options (Textual)                  
Number of directors               6dwog_NumberOfDirectors
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of consultants               1dwog_NumberOfConsultants
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Number of option, Granted at June 20, 2013                   
Stock options - Exercised August 12, 2013, shares (Note 11)                3,200,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Stock options - Exercised August 12, 2013 (Note 11)               322,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
 
Stock option outstanding unvested 5,370,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
2,900,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
             
Aggregate intrinsic value of exercisable options $ 0.11us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
$ 0.19us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember