Derivatives (Schedule of Gain or Loss on Derivative Contracts, Net) (Details) - USD ($)		3 Months Ended	12 Months Ended
		Dec. 31, 2022	Dec. 31, 2023	Sep. 30, 2022
Derivative [Line Items]
Cash received (paid) on settled derivative contracts, net		$ (2,918,039)	$ 2,557,058	$ (14,533,560)
Non-cash gain (loss) on derivative contracts, net		6,265,041	4,302,531	(2,299,518)
Gains (losses) on derivative contracts, net		$ 3,347,002	$ 6,859,589	$ (16,833,078)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Gain (Loss) on Derivative Instruments, Net, Pretax	Gain (Loss) on Derivative Instruments, Net, Pretax	Gain (Loss) on Derivative Instruments, Net, Pretax
Natural Gas Costless Collars [Member]
Derivative [Line Items]
Cash received (paid) on settled derivative contracts, net		$ (455,040)	$ 1,516,535	$ (1,878,250)
Non-cash gain (loss) on derivative contracts, net		1,779,405	857,675	(1,044,958)
Natural Gas Fixed Price Swaps [Member]
Derivative [Line Items]
Cash received (paid) on settled derivative contracts, net	[1]	(1,896,872)	1,344,580	(9,065,100)
Non-cash gain (loss) on derivative contracts, net		4,557,865	3,119,388	(1,954,719)
Oil Costless Collars [Member]
Derivative [Line Items]
Cash received (paid) on settled derivative contracts, net			24,330
Non-cash gain (loss) on derivative contracts, net		(120,032)	(702)	106,157
Oil Fixed Price Swaps [Member]
Derivative [Line Items]
Cash received (paid) on settled derivative contracts, net	[1]	(566,127)	(328,387)	(3,590,210)
Non-cash gain (loss) on derivative contracts, net		$ 47,803	$ 326,170	$ 594,002

[1] For the year ended December 31, 2023, three months ended December 31, 2022, and the year ended September 30, 2022, excludes $373,745, $903,461, and $7,522,794, respectively, of cash paid to settle off-market derivative contracts that are not reflected on the Statements of Income. Total cash paid related to off-market derivatives was $560,162, $3,010,661, and $19,260,104, respectively, for the year ended December 31, 2023, three months ended December 31, 2022, and the year ended September 30, 2022 and is reflected in the Financing Activities section of the Statements of Cash Flows. Cash (paid) or received not related to off-market derivatives is reflected in the Operating Activities section of the Statements of Cash Flows.