Annual report [Section 13 and 15(d), not S-K Item 405]

Document and Entity Information

v3.25.4
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 04, 2026
Jun. 30, 2025
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 001-33905    
Entity Registrant Name UR-ENERGY INC.    
Entity Incorporation State Country Code Z4    
Entity Tax Identification Number 00-0000000    
Entity Address Address Line 1 1478 Willer Drive    
Entity Address City Or Town Casper    
Entity Address State Or Province WY    
Entity Address Postal Zip Code 82604    
City Area Code 720    
Local Phone Number 981-4588    
Security 12b Title Common Shares, no par value    
Trading Symbol URG    
Security Exchange Name NYSEAMER    
Entity Well Known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Icfr Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 300.2
Entity Common Stock Shares Outstanding   397,328,219  
Documents incorporated by reference

Certain information required for Items 10, 11, 12, 13 and 14 of Part III of this annual report on Form 10-K is incorporated by reference to the registrant’s definitive proxy statement for the 2026 Annual Meeting of Shareholders.

    
Auditor Firm Id 243    
Auditor Name BDO USA, P.C.    
Auditor Location Spokane, Washington    
Entity Central Index Key 0001375205    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false