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Mineral Properties - Mt. Todd, Northern Territory, Australia (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 31, 2006	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Mineral Properties, Net		$ 83	$ 83	$ 2,146
Capitalization of mine development costs			1,028
Mt Todd, Australia
Property, Plant and Equipment [Line Items]
Mineral Properties, Net		83	83	$ 2,146
Acquisition Costs, Period Cost	$ 2,146
Capitalization of mine development costs		$ 524	1,028
Mineral Property Costs Derecognized			$ 3,091

X

- 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
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Mineral properties, net of adjustments.

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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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The amount of mineral property costs derecognized during the period upon recognition of gain on grant of royalty interest.

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The cash outflow for development of mining properties.

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