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Prepaid Forward Gold Contract Liability (Tables)
12 Months Ended
Dec. 31, 2019
Forward Gold Sales Contract Liability [Abstract]  
Schedule of company is obligated to deliver gold

 

Months

  Gold Ounces per Month  

Total Gold

Ounces

 
 December 2020   655    655 
January 2021 to March 2021   896    2,688 
April 2021 to March 2022   911    10,932 
April 2022 to March 2023   1,396    16,752 
April 2023 to December 2023   1,753    15,777 
January 2024   241    241 
         47,045