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Marketable Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Marketable equity securities at fair value	$ 1,288	$ 1,032
Kinross Gold Corp.
Marketable equity securities at fair value	$ 832	$ 605
Shares	100,000	100,000
Highland Silver Corp [Member]
Marketable equity securities at fair value	$ 0	$ 33
Shares	0	100,000
Vendetta Mining Corp. [Member]
Marketable equity securities at fair value	$ 85	$ 118
Shares	7,750,000	7,750,000
Vox Royalty Corp. [Member]
Marketable equity securities at fair value	$ 371	$ 276
Shares	134,055	134,055

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