Capitalization of Costs Incurred in Oil and Gas Activities (Details Textual) - USD ($)	12 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Capitalization of Costs Incurred in Oil and Gas Activities (Textual)
Depreciation and depletion expense	$ 11,141	$ 11,274

The aggregate expense recognized in the current period that allocates the cost of tangible assets, depleting assets to periods that benefit from use of the assets.

No definition available.

Name:	dwog_DepreciationAndDepletionExpense
Namespace Prefix:	dwog_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration