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Nature of Operations (Details) - shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Midas Gold Shares |  |
Property, Plant and Equipment [Line Items] |  |
Shares owned | 7,802,615 | 7,802,615
Mt Todd, Australia |  |
Property, Plant and Equipment [Line Items] |  |
Percentage of ownership in project | 100.00% |

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