v3.25.3
NATURE OF OPERATIONS (Details)
$ in Thousands
9 Months Ended
Mar. 17, 2022
USD ($)
Sep. 30, 2025
USD ($)
item
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Nov. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2021
USD ($)
Oct. 01, 2021
USD ($)
Nature of Operations                
Amount of potential DoE funding               $ 21,900
Percentage of total estimated cost for the project covered by DoE funding               50.00%
Rights offering authorized amount           $ 35,800 $ 25,400  
Demonstration Plant project budget   $ 60,000 $ 53,600          
Cash and cash equivalents   21,713 29,683 $ 26,732        
Cash used in operations   4,857 9,177          
General Atomics                
Nature of Operations                
Amount of potential DoE funding     24,200          
Demonstration Plant project budget $ 53,600   53,600   $ 53,600      
Expected monthly on-going cost of the Demonstration Plant during 2026   $ 1,500            
Demonstration plant project budget increase percentage 22.00% 22.00%            
Demonstration plant project original budget $ 43,800 $ 43,800            
Additional cost-share funding $ 2,400   $ 2,400          
Wyoming Energy Authority                
Nature of Operations                
Grants Receivable               $ 4,400
Bear Lodge REE Project                
Nature of Operations                
Ownership interest (as a percent)   100.00%            
Sundance Gold Project                
Nature of Operations                
Ownership interest (as a percent)   100.00%            
Number of gold targets | item   3