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Marketable Equity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Marketable equity securities at fair value	$ 1,433	$ 1,620
Kinross Gold Corp
Shares	100,000	100,000
Marketable equity securities at fair value	$ 667	$ 734
Vendetta Mining Corp.
Shares	10,540,000	11,550,000
Marketable equity securities at fair value	$ 503	$ 544
Vox Royalty Corp.
Shares	134,055	137,255
Marketable equity securities at fair value	$ 256	$ 323
TNR Gold Corp.
Shares	143,000	430,000
Marketable equity securities at fair value	$ 7	$ 19

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- Definition

Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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