Mineral Property Interests (Schedule of Mineral Property Interests) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Mineral Industries Disclosures [Abstract]
Balance	$ 1	$ 1	$ 1	$ 1	$ 1	$ 1
Carson Property acquisition						15,000
Impairment charge Carson Property						(15,000)
Rollo Property				25,000	25,000
Janes Reef Property				16,000	16,000
Asquith Property				10,000	10,000
C1 Mortimer amendment			359,760	941,460	941,460
Chewett Property			60,360
King Solomon Mines Property			1,280,000
Borden Lake North		15,000
Niobe Property	120,000
Benoit West Property	150,000
Impairment charge	(270,000)	(487,000)	(1,700,120)	(992,460)	(992,460)
Halcrow, McCool, Seymour Lake		145,000
Haycock, Godfrey and Roma		138,000
Hiltz		21,000
Jo-Anne Property		168,000
Balance	$ 1	$ 1	$ 1	$ 1	$ 1	$ 1