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Marketable Equity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Marketable equity securities at fair value	$ 1,620	$ 1,039
Kinross Gold Corp
Shares	100,000
Marketable equity securities at fair value	$ 734
Vendetta Mining Corp.
Shares	11,550,000
Marketable equity securities at fair value	$ 544
Vox Royalty Corp.
Shares	137,255
Marketable equity securities at fair value	$ 323
TNR Gold Corp.
Shares	430,000
Marketable equity securities at fair value	$ 19

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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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