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v3.20.4

Asset Retirement Obligations (Details Narrative) | 12 Months Ended
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Dec. 31, 2020
Minimum [Member] |
Discount Rate Of Asset Retirement Obligations | 0.33%
Maximum [Member] |
Discount Rate Of Asset Retirement Obligations | 7.25%

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Namespace Prefix: | urg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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Name: | srt_RangeAxis=srt_MinimumMember
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Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |