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Marketable Equity Securities (Tables)
3 Months Ended
Mar. 31, 2021
Investments, Debt and Equity Securities [Abstract]  
Marketable equity securities
    March 31 2021     December 31 2020  
    shares    

Fair value

(000’s)

    shares    

Fair value

(000’s)

 
  Kinross Gold Corp     100,000     $ 667       100,000     $ 734  
  Vendetta Mining Corp.     10,540,000       503       11,550,000       544  
  Vox Royalty Corp.     134,055       256       137,255       323  
  TNR Gold Corp.     143,000       7       430,000       19  
      Total           $ 1,433             $ 1,620  
Marketable securities and adjustment to fair value
(in thousands)  

 March 31,

2021

   

 December 31,

2020

 
  Marketable equity securities at cost   $ 2,034     $ 2,099  
  Cumulative unrealized loss on marketable equity securities     (601 )     (479 )
  Marketable equity securities at fair value   $ 1,433     $ 1,620  
Changes in marketable securities
(in thousands)  

Three months ended

March 31,

 
    2021     2020  
Cost of marketable equity securities sold   $ 65     $ 51  
Realized gain on marketable equity securities sold     13       25  
Proceeds from the sale of marketable equity securities sold     (78 )     (76 )
Net loss on marketable equity securities     (109 )     (208 )
Change in marketable equity securities at fair value   $ (187 )   $ (284 )
Realized and unrealized gain (loss) on marketable equity securities
(in thousands)  

Three months ended

March 31,

 
    2021     2020  
  Unrealized loss on marketable securities   $ (122 )   $ (233 )
  Realized gain on marketable equity securities sold     13       25  
  Net loss on marketable securities   $ (109 )   $ (208 )