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Commitments and Contingencies (Details Narrative)
 1 Months Ended 12 Months Ended 1 Months Ended
Jul. 31, 2013
Dec. 31, 2014
lb
Jul. 31, 2014
Business acquisition purchase price description  

The purchase price will be based on published market prices at the time of delivery subject to a five percent discount when the market price is $56.50 per pound of U3O8 or less, or seven percent when greater than $56.50 per pound.

  
Market price on sales contracts, per pound 56.50    
Sale of contracts   3,000,000URRE_ContractsQuantityRequiredInSales  
Percentage of average spot price 4.00%URRE_AverageSpotPricePercentage    
Minimum [Member]      
Percentage on published market prices 5.00%URRE_PercentageOfPublishedMarketPrices
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		    
Maximum [Member]      
Purchase on contracts 3,000,000URRE_QuantityRequiredOnSalesContracts
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		    
Percentage on published market prices 7.00%URRE_PercentageOfPublishedMarketPrices
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		    
Itochu Corporation [Member]      
Acquisition amount on sales contracts   510,000URRE_AcquisitionOnSalesContractsInQuantity
/ us-gaap_BusinessAcquisitionAxis
= URRE_ItochuCorporationMember		  
U.S.A Inc [Member]      
Acquisition amount on sales contracts   480,000URRE_AcquisitionOnSalesContractsInQuantity
/ us-gaap_BusinessAcquisitionAxis
= URRE_UsaIncMember		  
Texas Properties [Member]      
Contract price of sales contracts, per pound     6
Sale of contracts   600,000URRE_ContractsQuantityRequiredInSales
/ us-gaap_BusinessAcquisitionAxis
= URRE_TexasPropertiesMember