Supplementary Information on Oil and Gas Reserves (Unaudited) (Details Textual) - Oil [Member]	12 Months Ended
	Sep. 30, 2015 MBbls	[1]
Reserve Quantities [Line Items]
Revisions of previous estimates, Gross	(545)
Production, Gross	(26)

[1] Gross Reserves are defined as the Company's working interest reserves (operating or non-operating) before deduction of royalties.