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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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