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Long-Term Reclamation Liability - Additional Information (Details) - USD ($) | Sep. 30, 2020 | Dec. 31, 2019 | Apr. 30, 2019 | Dec. 31, 2018
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Regulatory Liabilities [Line Items] |  |  |  |
Long-term reclamation liability | $ 6,049,741 | $ 6,034,208 |  | $ 7,441,091
Nevada Division of Environmental Protection | Lucerne Property |  |  |  |
Regulatory Liabilities [Line Items] |  |  |  |
Long-term reclamation liability |  |  | $ 6,800,000 |

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- Definition Amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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