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Business and Significant Accounting Policies (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jan. 31, 2019
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Potentially dilutive shares related to outstanding common stock options   5,513,000 5,698,000 5,513,000 5,698,000
Sale of mineral properties $ 600,000        
Joint venture partner   50.00%   50.00%  
Cash and cash equivalents   $ 410,000   $ 410,000  
Current assets in United States Treasury Securities   3,283,000   3,283,000  
Certificates of deposits   250,000 $ 100,000 250,000 $ 100,000
Total fair value   $ 601,000   $ 601,000  
Maturities period       12  
Minimum [Member]          
Maturities period       15