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Deposits - (Details) - USD ($) | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Revenue from External Customer [Line Items] |  |
Total deposits | $ 498,122 | $ 318,384
Deposits toward sale of Silver Springs properties (Note 23) |  |
Revenue from External Customer [Line Items] |  |
Total deposits | 410,100 | 310,100
Prepaid Tonogold expense reimbursements |  |
Revenue from External Customer [Line Items] |  |
Total deposits | 78,855 | 0
Tonogold mineral exploration lease |  |
Revenue from External Customer [Line Items] |  |
Total deposits | $ 9,167 | $ 8,284

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