Subsequent Events (Narrative) (Details)	Dec. 12, 2022 USD ($) shares	Dec. 07, 2022 USD ($)	Oct. 01, 2022 USD ($) a	Aug. 25, 2021 shares	Sep. 30, 2022 USD ($)
Maximum [Member]
Subsequent Event [Line Items]
Offer and sale of common stock | shares				3,000,000
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Borrowing base of credit facility					$ 50,000,000
Subsequent Event [Member] | SCOOP and Haynesville [Member]
Subsequent Event [Line Items]
Net royalty acres | a			930
Subsequent Event [Member] | SCOOP and Haynesville [Member] | Cash on Hand [Member]
Subsequent Event [Line Items]
Total Purchase Price			$ 10,300,000
Subsequent Event [Member] | SCOOP and Haynesville [Member] | Additional Borrowings [Member]
Subsequent Event [Line Items]
Total Purchase Price			$ 5,000,000
Subsequent Event [Member] | ATM Agreement [Member]
Subsequent Event [Line Items]
Offer and sale of common stock | shares	3,000,000
Number of shares of common stock sold | shares	1,531,013
Proceeds from sale of common stock	$ 5,900,000
Subsequent Event [Member] | Revolving Credit Facility [Member] | Third Amendment [Member]
Subsequent Event [Line Items]
Borrowing base of credit facility		$ 50,000,000
Subsequent Event [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Third Amendment [Member]
Subsequent Event [Line Items]
Borrowing Percentage decreased		80.00%
Mortgage percentage decreased		80.00%
Subsequent Event [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Third Amendment [Member]
Subsequent Event [Line Items]
Borrowing Percentage decreased		50.00%
Mortgage percentage decreased		75.00%