Derivatives (Schedule of Gain or Loss on Derivative Contracts, Net) (Details) - USD ($)	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Cash received (paid) on derivative contracts, net	$ 613,314	$ 901,773
Non-cash gain (loss) on derivative contracts, net	(867,350)	(1,719,667)
Gains (losses) on derivative contracts, net	(254,036)	(817,894)
Natural Gas Costless Collars [Member]
Derivative [Line Items]
Cash received (paid) on derivative contracts, net	(8,967)
Non-cash gain (loss) on derivative contracts, net	678,961	5,900
Natural Gas Fixed Price Swaps [Member]
Derivative [Line Items]
Cash received (paid) on derivative contracts, net	(1,863)	719,800
Non-cash gain (loss) on derivative contracts, net	288,887	(571,809)
Oil Costless Collars [Member]
Derivative [Line Items]
Cash received (paid) on derivative contracts, net	88,944	113,699
Non-cash gain (loss) on derivative contracts, net	(410,886)	(480,456)
Oil Fixed Price Swaps [Member]
Derivative [Line Items]
Cash received (paid) on derivative contracts, net	535,200	68,274
Non-cash gain (loss) on derivative contracts, net	$ (1,424,312)	$ (673,302)