| Document and Entity Information Document | Nov. 28, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Creation Date | Nov. 28, 2024 |
| Document Period End Date | Nov. 28, 2024 |
| Amendment Flag | false |
| Entity Registrant Name | Energy Fuels Inc. |
| Entity Address, Address Line One | 225 Union Blvd., Suite 600 |
| Entity Address, City or Town | Lakewood |
| Entity Address, State or Province | CO |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 80228 |
| Entity Incorporation, State Country Name | A6 |
| City Area Code | 303 |
| Local Phone Number | 974-2140 |
| Entity File Number | 001-36204 |
| Entity Central Index Key | 0001385849 |
| Entity Emerging Growth Company | false |
| Entity Tax Identification Number | 98-1067994 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common shares, no par value |
| Trading Symbol | UUUU |
| Security Exchange Name | NYSEAMER |
