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Nature of Operations (Details) oz in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 oz shares | Dec. 31, 2019 shares
Midas Gold Shares [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Shares owned | shares | 4,667,615 | 6,882,115
Mt Todd, Australia |  |
Property, Plant and Equipment [Line Items] |  |
Percentage of ownership in project | 100.00% |
Proved Undeveloped Mine Reserve, Mass | oz | 5.3 |
Property, Plant and Equipment, Useful Life | 13 years |

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- Details
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