XML 57 R32.htm IDEA: XBRL DOCUMENT
v3.20.4

Mineral Properties (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Mineral Properties (Tables) |
Mineral Property |
|  | Lost Creek |  |  | Pathfinder |  |  | Other U.S. |  |  |  |
Mineral Properties |  | Property |  |  | Mines |  |  | Properties |  |  | Total |
December 31, 2017 |  |  | 11,810 |  |  |  | 19,701 |  |  |  | 13,166 |  |  |  | 44,677 |
Acquisition costs |  |  | - |  |  |  | - |  |  |  | 31 |  |  |  | 31 |
Change in estimated reclamation costs |  |  | 2,577 |  |  |  | 263 |  |  |  | - |  |  |  | 2,840 |
Depletion and amortization |  |  | (1,743 | ) |  |  | - |  |  |  | - |  |  |  | (1,743 | )
December 31, 2018 |  |  | 12,644 |  |  |  | 19,964 |  |  |  | 13,197 |  |  |  | 45,805 |
Acquisition costs |  |  | - |  |  |  | - |  |  |  | 8 |  |  |  | 8 |
Change in estimated reclamation costs |  |  | 125 |  |  |  | (114 | ) |  |  | - |  |  |  | 11 |
Property write-offs |  |  | 16 |  |  |  | - |  |  |  | (27 | ) |  |  | (11 | )
Depletion and amortization |  |  | (2,601 | ) |  |  | - |  |  |  | - |  |  |  | (2,601 | )
December 31, 2019 |  |  | 10,184 |  |  |  | 19,850 |  |  |  | 13,178 |  |  |  | 43,212 |
Change in estimated reclamation costs |  |  | (1,463 | ) |  |  | (120 | ) |  |  | - |  |  |  | 1,583 | )
Depletion and amortization |  |  | (2,445 | ) |  |  | - |  |  |  | - |  |  |  | (2,445 | )
December 31, 2020 |  |  | 6,276 |  |  |  | 19,730 |  |  |  | 13,178 |  |  |  | 39,184 |

X
- References No definition available. + Details
Name: | urg_MineralPropertyTableTextBlock
Namespace Prefix: | urg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration