Summary Of Significant Accounting Policies (Summary Of Reconciliation Of Derivative Contracts Classified As Level 3 Measurements) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Fair Value Disclosures [Abstract]
Net Asset (Liability) Balance of Level 3 as of October 1, 2017		$ 151,553
Total gains or (losses) included in earnings		(877,307)
Purchases, issuances and settlements		(371,193)
Transfers in and out of Level 3	$ 1,096,947	$ 1,096,947	[1]

[1] During the fourth quarter of 2018, we transferred $1,096,947 of derivative collars out of Level 3 hierarchy, into Level 2 hierarchy as a result of our ability to obtain volatility inputs from direct observable sources.