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Subsequent Event (Details Narrative) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) shares
Subsequent Event (Details Narrative)
Share Issued During Period | shares	0.7
Share Issued During Period, Value | $	$ 1.2

X

- References

No definition available.

+ Details

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Namespace Prefix:	urg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of shares of stock issued attributable to transactions classified as other.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of shares of stock issued attributable to transactions classified as other.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration