Subsequent Events (Narrative) (Details)				12 Months Ended
	Dec. 06, 2021 USD ($) a	Dec. 01, 2021 USD ($) a shares	Oct. 01, 2021 USD ($) Wellbore Transaction	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 05, 2021 USD ($)
Subsequent Event [Line Items]
Net proceeds from divestitures				$ 988,600	$ 4,228,868	$ 19,515,735
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Borrowing base of credit facility				$ 27,500,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of working interest wellbores divested | Wellbore			708
Net proceeds from divestitures			$ 4,625,000
Number of divestiture transactions | Transaction			3
Federal tax refund			$ 2,200,000
Subsequent Event [Member] | Revolving Credit Facility [Member] | First Amendment [Member]
Subsequent Event [Line Items]
Borrowing base of credit facility	$ 32,000,000.0						$ 27,500,000
Borrowing base of credit facility, semi-annual redetermination amount	32,000,000.0
Subsequent Event [Member] | Vendera Purchase Agreement [Member]
Subsequent Event [Line Items]
Purchase and sales agreement date		Dec. 01, 2021
Aggregate consideration		$ 5,306,389
Cash consideration		$ 626,389
Equity consideration | shares		1,519,481
Net royalty acres | a		827
Subsequent Event [Member] | Merrimac Purchase Agreement [Member]
Subsequent Event [Line Items]
Cash consideration	5,185,475
Subsequent Event [Member] | Palmetto Purchase Agreement [Member]
Subsequent Event [Line Items]
Cash consideration	$ 601,797
Subsequent Event [Member] | Sellers [Member]
Subsequent Event [Line Items]
Net royalty acres | a	426