Subsequent Events (Narrative) (Details)		3 Months Ended
	Jan. 01, 2022 USD ($) a	Dec. 31, 2021 USD ($)
Subsequent Event [Line Items]
Net proceeds from sales of assets		$ 4,586,492
Subsequent Event [Member]
Subsequent Event [Line Items]
Net royalty acres | a	267
Purchase Price	$ 2,500,000
Net mineral acres | a	7,201
Net proceeds from sales of assets	$ 2,100,000