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EXPLORATION AND EVALUATION ASSETS (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Statement [Line Items]    
Beginning, balance $ 10,052,000 $ 9,827,000
Drilling and exploration 677,000 146,000
Assessments and taxes 46,000 83,000
Effect of movements in exchange rates 3,000 (4,000)
Option income (117,000)  
Ending, balance 10,661,000 10,052,000
Durango, Mexico [Member]    
Statement [Line Items]    
Drilling and exploration 677,000 146,000
Assessments and taxes 46,000 83,000
Effect of movements in exchange rates 3,000 (4,000)
Option income (117,000)  
Beginning balance 10,051,000 9,826,000
Ending balance 10,660,000 10,051,000
British Columbia & Yukon, Canada [Member]    
Statement [Line Items]    
Drilling and exploration 0 0
Assessments and taxes 0 0
Effect of movements in exchange rates 0 0
Option income 0  
Beginning balance 1,000 1,000
Ending balance $ 1,000 $ 1,000