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Reclamation Bond Deposit - Schedule of Reclamation Bond Deposit (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]    
Total reclamation bond deposit $ 2,695,704 $ 2,688,962
Lexon surety bond cash collateral    
Loss Contingencies [Line Items]    
Total reclamation bond deposit 2,588,768 2,582,026
Other cash reclamation bond deposits    
Loss Contingencies [Line Items]    
Total reclamation bond deposit $ 106,936 $ 106,936