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Stock Options (Details Textual) (USD $)
1 Months Ended 6 Months Ended 1 Months Ended 0 Months Ended 12 Months Ended
Jun. 20, 2013
Mar. 31, 2015
Mar. 31, 2014
Sep. 19, 2014
Consultants
Nov. 17, 2014
Dec. 04, 2013
Directors
Oct. 28, 2013
Mar. 23, 2011
Sep. 30, 2014
Oct. 31, 2013
Nov. 28, 2005
Stock Options (Textual)                      
Unrecognized compensation cost related to awards   $ 766,793us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized                  
Share-based Compensation   590,036us-gaap_ShareBasedCompensation 198,700us-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                  
Stock option outstanding                   4,350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber  
Stock option granted unvested 950,000dwog_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodNonvestedNumberOfShares                    
Portwest Investments Ltd [Member]                      
Stock Options (Textual)                      
Number of consultants       2dwog_NumberOfConsultants
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
             
Description of stock options vesting       600,000 vesting immediately and remaining vesting on September 19, 2015.              
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
             
Number of shares vested immediately       600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_PortwestInvestmentsLtdMember
             
Option vesting period       5 years              
Directors [Member]                      
Stock Options (Textual)                      
Number of directors       7dwog_NumberOfDirectors
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
  1dwog_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. 200,000 vesting immediately and the remaining vesting one-third on November 17, 2015, and one-third on November 17, 2016, 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.          
Number of options, Granted         600,000us-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
$ 0.23us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
$ 0.34us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
         
Number of shares vested immediately       200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
200,000us-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          
Employee [Member]                      
Stock Options (Textual)                      
Number of Employee       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.              
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
             
Number of shares vested immediately       60,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_EmployeeMember
             
Option vesting period       5 years              
Contractor [Member]                      
Stock Options (Textual)                      
Number of options, Granted             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        
Directors, Consultants and Employee [Member]                      
Stock Options (Textual)                      
Number of options, Granted 900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_DirectorsConsultantsAndEmployeeMember
            3,450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= dwog_DirectorsConsultantsAndEmployeeMember
     
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
Option exercise price 0.14us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
                   
Minimum [Member]                      
Stock Options (Textual)                      
Option exercise price 0.05us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
                   
Stock Options [Member]                      
Stock Options (Textual)                      
Number of options, Granted                 3,450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Number of option, Granted at September 19, 2014                 6,780,000dwog_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossThree
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Stock options - Exercised August 12, 2013, shares                       
Stock option outstanding unvested   5,620,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
            5,370,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Aggregate intrinsic value of exercisable options                 $ 0.11us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
   
Stock option outstanding   12,430,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
            11,830,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember