COMMITMENTS AND CONTINGENCIES (Details) (Executive officers)	3 Months Ended
Mar. 31, 2014
Executive officers
Employment Agreements
Period to receive certain rights and benefits in the event of change in control	24 months

Represents the period during which an individual is entitled to receive certain rights and benefits in the event of a change in control of the entity.

No definition available.

Name:	urre_PeriodForRightsAndBenefitsEntitlementInEventOfChangeInControl
Namespace Prefix:	urre_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration