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THE COMPANY AND DESCRIPTION OF BUSINESS	12 Months Ended
	Dec. 31, 2019
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 “EFI”) are engaged in uranium extraction, recovery and sales of uranium from mineral properties and the recycling of uranium bearing materials generated by third parties. 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 concentrates (“U3O8” or “uranium concentrates”), is sold to customers for further processing into fuel for nuclear reactors. The Company also produces vanadium along with uranium at certain of its Colorado Plateau properties, as market conditions warrant and from time to time from solutions in its tailings impoundment system. The Company is an exploration stage mining company as defined by the United States (“U.S.”) Securities and Exchange Commission (“SEC”) Industry Guide 7 (“SEC Industry Guide 7”) as it has not established the existence of proven or probable reserves on any of its properties. Energy Fuels is engaged in conventional and In-situ (“ISR”) uranium extraction and recovery, along with the exploration, permitting and evaluation of uranium properties in the United States. Mining activities Mining activities consist of a standalone uranium recovery facility (the “White Mesa Mill”), an ISR recovery facility, conventional mining projects and ISR mining projects. The conventional projects are located in the Colorado Plateau, Henry Mountains, Arizona Strip, and the Roca Honda project in New Mexico which are in the vicinity of the White Mesa Mill, and the Sheep Mountain Project in Wyoming. ISR projects include the Nichols Ranch Project, the Jane Dough property and the Hank Project located in Wyoming and the Alta Mesa ISR Project (the “Alta Mesa Project”) located in Texas. At December 31, 2019, other than evaluation work at the Company's Canyon Project, the conventional mining projects in the vicinity of the White Mesa Mill as well as Sheep Mountain are on standby, being evaluated for continued mining activities and/or in process of being permitted. The White Mesa Mill is in the process of completing its vanadium campaign and also processes third party uranium bearing mineralized materials from mining and recycling activities.

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The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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