Cover - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Aug. 19, 2022 |
Mar. 03, 2022 |
|
| Cover [Abstract] | |||
| Entity Registrant Name | UR-ENERGY INC. | ||
| Entity Central Index Key | 0001375205 | ||
| Document Type | 10-K/A | ||
| Amendment Flag | true | ||
| Entity Voluntary Filers | No | ||
| Current Fiscal Year End Date | --12-31 | ||
| Entity Well Known Seasoned Issuer | No | ||
| Entity Small Business | true | ||
| Entity Shell Company | false | ||
| Entity Emerging Growth Company | false | ||
| Entity Current Reporting Status | Yes | ||
| Document Period End Date | Dec. 31, 2021 | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Document Fiscal Period Focus | FY | ||
| Document Fiscal Year Focus | 2021 | ||
| Entity Common Stock Shares Outstanding | 217,193,664 | ||
| Entity Public Float | $ 243.3 | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Entity File Number | 001-33905 | ||
| Entity Incorporation State Country Code | Z4 | ||
| Entity Address Address Line 1 | 10758 West Centennial Road | ||
| Entity Address Address Line 2 | Suite 200 | ||
| Entity Address City Or Town | Littleton | ||
| Entity Address State Or Province | CO | ||
| Entity Address Postal Zip Code | 80127 | ||
| City Area Code | 720 | ||
| Icfr Auditor Attestation Flag | false | ||
| Local Phone Number | 981-4588 | ||
| Security 12b Title | Common Shares, no par value | ||
| Trading Symbol | URG | ||
| Security Exchange Name | NYSEAMER | ||
| Entity Interactive Data Current | Yes | ||
| Amendment Description | This Amendment No. 1 on Form 10-K/A (“Amendment No. 1”) amends Ur-Energy Inc.’s (“Ur-Energy” or the “Company”) Annual Report on Form 10-K for the fiscal year ended December 31, 2021 filed with the Securities and Exchange Commission (the “SEC”) on March 9, 2022 (the “Original Filing”). The Original Filing is amended by this Amendment No. 1 solely to revise Part 1, Items 1 and 2 to (i) include a revised map to more clearly show the location of the Lost Creek Property and a map showing the location of the properties held at Shirley Basin and (ii) file an amended version of the Technical Report Summary on the Lost Creek ISR Uranium Property, Sweetwater County, Wyoming, USA (which is filed hereto as Exhibit 96.1) and Technical Report Summary on the Shirley Basin ISR Uranium Property, Carbon County, Wyoming, USA (which is filed hereto as Exhibit 96.2), both which supersede their respective previously filed reports. The Company is also filing currently dated certifications from our Chief Exec | ||
| Auditor Firm Id | 271 | ||
| Auditor Location | Vancouver, Canada | ||
| Auditor Name | PricewaterhouseCoopers LLP |