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Material Accounting Policy Information (Details) - Schedule of Significant Subsidiaries
 12 Months Ended
Dec. 31, 2023
Tigris Uranium US Corp. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Nevada, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Metamin Enterprises US Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Nevada, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
URI, Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Delaware, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Neutron Energy, Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Nevada, USA [1]
Ownership Interest [1]
Principal Activity Mineral Exploration [1]
Functional Currency USD [1]
Uranco, Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Delaware, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Uranium Resources, Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Delaware, USA [2]
Ownership Interest [2]
Principal Activity Mineral Exploration [2]
Functional Currency USD [2]
HRI-Churchrock, Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Delaware, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Hydro Restoration Corp. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Delaware, USA [3]
Ownership Interest [3]
Principal Activity Mineral Exploration [3]
Functional Currency USD [3]
Belt Line Resources, Inc. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Texas, USA [3]
Ownership Interest [3]
Principal Activity Mineral Exploration [3]
Functional Currency USD [3]
enCore Energy US Corp. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Nevada, USA
Ownership Interest 100.00%
Principal Activity Holding Company
Functional Currency USD
Azarga Uranium Corp. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation British Columbia, CA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Powertech (USA) Inc. [Abstract]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation South Dakota, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
URZ Energy Corp. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation British Columbia, CA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Ucolo Exploration Corp. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Utah, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
enCore Alta Mesa LLC [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Texas, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Leoncito Plant, LLC [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Texas, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Leoncito Restoration, LLC [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Texas, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Leoncito Project, LLC [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Texas, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Azarga Resources Limited [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation British Virgin Islands
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Azarga Resources (Hong Kong) Ltd. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Hong Kong
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Azarga Resources USA Company [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation Colorado, USA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
Azarga Resources Canada Ltd. [Member]  
Schedule of Significant Subsidiaries [Line Items]  
Place of Incorporation British Columbia, CA
Ownership Interest 100.00%
Principal Activity Mineral Exploration
Functional Currency USD
[1] Neutron Energy, Inc. was divested in July 2023 (Note 4,9).
[2] Uranium Resources, Inc. was dissolved during the year.
[3] Hydro Restoration Corp. and Belt Line Resources, Inc. were divested in April 2023 (Note 4,9).