Supplementary Information On Oil, Ngl And Natural Gas Reserves (Narrative) (Details)	12 Months Ended
	Sep. 30, 2015 USD ($) Mcfe item $ / Mcf $ / bbl	Sep. 30, 2014 USD ($) Mcfe item $ / Mcf $ / bbl	Sep. 30, 2013 USD ($) $ / Mcf $ / bbl
Supplementary Oil And Gas Disclosures [Line Items]
Positive performance revisions	700,000
Negative pricing revisions	44,800,000
Negative pricing revisions, undeveloped	32,400,000
Negative performance revisions, developed	12,400,000
Proved undeveloped reserves, additions	27,100,000
Property acquisition costs | $	$ 146,261	$ 83,405,404	$ 1,242,615
Proved Undeveloped Reserves	71,917,599	90,904,931
Proved undeveloped reserves transferred to proved developed	13,642,311
Revisions of proved undeveloped reserves	32,417,179
Percentage transferred to proved developed	15.00%
Pricing revision percentage of proved undeveloped reserves	36.00%
Additional undeveloped reserves removed	46,100,000
Percentage of additional undeveloped reserves removed	51.00%
Number of PUD location | item	409	788
Eagle Ford Shale [Member]
Supplementary Oil And Gas Disclosures [Line Items]
Property acquisition costs | $		$ 81,500,000
Oil [Member]
Supplementary Oil And Gas Disclosures [Line Items]
Price used to calculate reserves and future cash flows from reserves | $ / bbl	55.27	96.94	89.06
Natural Gas Liquids [Member]
Supplementary Oil And Gas Disclosures [Line Items]
Price used to calculate reserves and future cash flows from reserves | $ / bbl	19.10	31.45	27.28
Natural Gas [Member]
Supplementary Oil And Gas Disclosures [Line Items]
Price used to calculate reserves and future cash flows from reserves | $ / Mcf	2.84	4.04	3.33