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Marketable Equity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Kinross Gold Corp
Marketable equity securities at fair value	$ 605	$ 409
Shares	100,000	100,000
Vendetta Mining Corp. [Member]
Marketable equity securities at fair value	$ 118	$ 229
Shares	7,750,000	7,750,000
Vox Royalty Corp. [Member]
Marketable equity securities at fair value	$ 276	$ 311
Shares	134,055	134,055
Highland Silver Corp [Member]
Marketable equity securities at fair value	$ 33	$ 0
Shares	200,000	200,000

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