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7. Asset Retirement Obligation and Accrued Reclamation Costs (Tables)
12 Months Ended
Dec. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
Asset Retirement Obligation      
       
   Balance December 31, 2018   $ 170,220  
   Accretion during 2019     6,148  
   Balance December 31, 2019     176,368  
   Accretion during 2019     7,851  
   Balance December 31, 2019   $ 184,219