THE COMPANY AND DESCRIPTION OF BUSINESS	6 Months Ended
THE COMPANY AND DESCRIPTION OF BUSINESS	Jun. 30, 2025
Accounting Policies [Abstract]
The Company and Description of Business	THE COMPANY AND DESCRIPTION OF BUSINESS Energy Fuels Inc. was incorporated under the laws of the Province of Alberta and was continued under the Business Corporations Act (Ontario). Energy Fuels Inc. and its subsidiary companies (collectively the “Company” or “Energy Fuels”) are together engaged in conventional and in situ recovery (“ISR”) uranium extraction, recovery and sales of uranium from mineral properties and the recycling of uranium-bearing materials generated by third parties, along with the exploration, permitting and evaluation of uranium properties in the U.S. As a part of these activities, the Company also acquires, explores, evaluates and, if warranted, permits uranium properties. The Company’s final uranium product, uranium oxide concentrate (“U3O8” or “uranium concentrate”), also known as “yellowcake,” is sold to customers for further processing into fuel for nuclear reactors. The Company also produces vanadium pentoxide (“V2O5”) as a co-product of uranium at the White Mesa Mill (the “White Mesa Mill” or the “Mill”) from certain of its Colorado Plateau properties and, at times, from solutions in its Mill tailings impoundment system, each as market conditions warrant. The Mill has produced rare earth element (“REE”) carbonate (“RE Carbonate”) from various uranium- and REE-bearing materials acquired from third parties since 2021 and completed modifications and enhancements to its existing infrastructure for the production of separated REE products, producing separated neodymium/praseodymium (“NdPr”) starting in 2024. The Company owns the Bahia Project in Brazil, which is an exploration/permitting stage property for the potential production of heavy mineral sands (“HMS”) intended to be sold into the commercial HMS market with the associated monazite used as a feedstock ore for production of REEs and uranium at the Mill. On June 3, 2024, the Company executed binding agreements (collectively, the “JV Agreements”) with Astron Corporation Limited (“Astron”) for the creation of a joint venture (the “Donald Project JV”) to jointly develop and operate the Donald Rare Earth and Mineral Sands Project in Australia (the “Donald Project”). See Note 3 – Transactions. On October 2, 2024, the Company acquired Base Resources Limited (“Base Resources”), increasing its portfolio of other HMS/monazite/REE projects around the world (see Note 3 – Transactions). Additionally, the Company is evaluating the potential to recover radioisotopes from its existing uranium process streams at the Mill for use in targeted alpha therapy (“TAT”) cancer treatments (See Note 3 – Transactions). With its uranium, vanadium, REE, HMS and potential radioisotopes production, the Company continues its efforts to establish itself as a critical minerals hub in the U.S. Uranium is the fuel for carbon-free, emission-free baseload nuclear power – one of the cleanest forms of energy in the world. REEs are used to manufacture permanent magnets for electric vehicles (“EVs”), defense systems, wind turbines and other renewable energy and modern technologies. Concurrently, the Company’s recycling program (which includes processing uranium from uranium-bearing materials other than natural or native ores, referred to as “Alternate Feed Materials,” recycling tailings solutions and performing other activities for the recovery of uranium, vanadium and potentially other metals and radionuclides) works to reduce the levels of new production and natural disturbances needed to meet global energy demand. Through its uranium and REE production and long-standing recycling program, Energy Fuels strengthens U.S. national security and energy independence by producing and recovering rare earth elements and uranium—materials essential to strategic energy technologies, defense capabilities and nuclear power. By maximizing the use of previously extracted resources and minimizing waste, we reduce reliance on foreign and geopolitical unstable sources, limit the environmental footprint of new mining and reinforce secure, domestic supply chains vital to America's security. Additionally, certain radioisotopes, which the Company is evaluating for recovery from its uranium processing streams, have the potential to provide the isotopes needed for emerging TAT cancer treatments. As of June 30, 2025, the Company is a “production stage issuer,” as defined by 7 CFR Subparts 220.1300 and 229.601(b)(96) (collectively, “S-K 1300”), because it is engaged in the material extraction of Mineral Reserves on at least one material property. Mining Activities The Company’s mining activities consist of its conventional uranium mining projects, an ISR uranium mining project (complete with an ISR recovery facility) on standby and HMS mining projects, and the utilization of the Mill to process recovered ore. The Pinyon Plain, Whirlwind, La Sal, Bullfrog, Arizona Strip and Roca Honda Projects are U.S.-based conventional uranium mining projects located on the Colorado Plateau and within trucking distance of the Mill, while the Sheep Mountain Project is a uranium project located in Wyoming, USA and the Bahia Project is an REE/HMS project located in Bahia, Brazil. The Company’s Nichols Ranch Project (inclusive of the Jane Dough and Hank Satellite deposits) is an ISR uranium project located in Wyoming, USA. As of June 30, 2025, the Company continued ore production at its Pinyon Plain, La Sal and Pandora Projects, as well as exploration drilling and analysis at its Pinyon Plain, Nichols Ranch and Bahia Projects. The other conventional uranium mining projects are on standby and are being evaluated for continued mining and other activities and/or are in the process of being permitted. The Mill continues to receive third-party uranium-bearing mineralized materials from mining and other industry activities for processing and recycling, while also expanding its REE initiatives and pursuing its TAT initiatives. On October 2, 2024, the Company acquired the Kwale HMS Project in Kenya and the Toliara HMS/REE Project in Madagascar as part of its acquisition of Base Resources on October 2, 2024. See Note 3 – Transactions for more information. On June 3, 2024, the Company created the Donald Project JV with Astron to jointly develop the Donald REE/HMS Project. See Note 3 – Transactions for more information.