Supplementary Information On Oil, Ngl And Natural Gas Reserves (Summary of Changes in Standardized Measure of Discounted Future Net Cash Flows) (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Supplementary Information On Oil, Ngl And Natural Gas Reserves [Abstract]
Beginning Balance	$ 101,674,896	$ 67,414,288	$ 78,382,434
Sales of oil and natural gas, net of production costs	(66,239,618)	(46,909,635)	(30,226,927)
Net change in sales prices and production costs	164,240,162	47,270,404	(45,178,377)
Net change in future development costs	(46,593,511)	(7,363,224)	4,483,543
Extensions and discoveries	44,308,910	54,101,830	34,216,533
Revisions of quantity estimates	(3,235,695)	(3,150,420)	(27,419,576)
Acquisitions (divestitures) of reserves-in-place	102,945,609	2,198,612	20,160,327
Accretion of discount	17,646,314	11,473,819	13,644,203
Net change in income taxes	(90,457,070)	(27,464,341)	10,735,694
Change in timing and other, net	(19,507,493)	4,103,563	8,616,434
Net change	103,107,608	34,260,608	(10,968,146)
Ending Balance	$ 204,782,504	$ 101,674,896	$ 67,414,288