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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories
   June 30,
2021
   December 31,
2020
 
Ore on leach pad  $5,250,797   $6,583,986 
Carbon column in process   245,089    133,640 
Finished goods   156,809    129,391 
    5,652,695    6,847,017 
Less long-term portion   (1,197,018)   (1,505,020)
Total  $4,455,677   $5,341,997