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Mineral Properties - Mt. Todd, Northern Territory, Australia (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Mar. 31, 2006 | Dec. 31, 2024 | Dec. 31, 2023
Property, Plant and Equipment [Line Items] |  |  |  |
Mineral Properties, Net |  |  | $ 920 | $ 2,146
Capitalization of mine development costs |  |  | 1,865 |
Mt Todd, Australia |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Mineral Properties, Net |  |  | 920 | $ 2,146
Acquisition Costs, Period Cost |  | $ 2,146 |  |
Capitalization of mine development costs |  |  | 1,865 |
Mineral Property Costs Derecognized |  |  | $ 3,091 |
Mt Todd, Australia | Mine Development |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Mineral Property Costs Derecognized | $ 945 |  |  |

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- Definition Amount of capitalized acquisition cost incurred during period and excluded from amortization for oil- and gas-producing activities accounted for under full cost method. Excludes exploration and development costs and capitalized interest. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 932 -SubTopic 360 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 932 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1 + Details
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- Definition Mineral properties, net of adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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- Definition The amount of mineral property costs derecognized during the period upon recognition of gain on grant of royalty interest. + References No definition available. + Details
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