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Mineral Properties - Mt. Todd, Northern Territory, Australia (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Jun. 30, 2024	Mar. 31, 2006	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Mineral Properties, Net			$ 1,070		$ 1,070		$ 920
Capitalization of mine development costs					150	$ 1,503
Mt Todd, Australia
Property, Plant and Equipment [Line Items]
Mineral Properties, Net			1,070		1,070		$ 920
Acquisition Costs, Period Cost		$ 2,146
Capitalization of mine development costs			$ 0	$ 475	$ 150	$ 1,503
Mineral Property Costs Derecognized	$ 3,091
Mt Todd, Australia \| Mine Development
Property, Plant and Equipment [Line Items]
Mineral Property Costs Derecognized	$ 945