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v2.4.1.9

Liquidity (Details Narrative) (USD $) In Thousands, unless otherwise specified | 12 Months Ended | 1 Months Ended |
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Nov. 30, 2013 | Dec. 31, 2012
Working capital surplus (deficit) | $ 3,761 URRE_WorkingCapitalSurplusDeficit | $ (1,226)URRE_WorkingCapitalSurplusDeficit |  |
Increase in working capital during the period | 4,987 URRE_IncreaseDecreaseInWorkingCapitalDuringPeriod |  |  |
Net increase/(decrease) in cash and cash equivalents | 4,453 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (3,549)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |  |
Cash and cash equivalents | 5,570 us-gaap_CashAndCashEquivalentsAtCarryingValue | 1,117 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | 4,666 us-gaap_CashAndCashEquivalentsAtCarryingValue
Debt maturity period | Nov. 13, 2014 |  |  |
Maximum [Member] | ATM Sales Agreement [Member] |  |  |  |
Proceeds from issuance aggregate offering price | 15,000 us-gaap_ProceedsFromIssuanceInitialPublicOffering / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_TypeOfArrangementAxis = URRE_ATMSalesAgreementMember |  |  |
Convertible Secured Debt Facility [Member] |  |  |  |
Net increase/(decrease) in cash and cash equivalents |  |  | 8,000 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / us-gaap_DebtInstrumentAxis = URRE_ConvertibleSecuredDebtFacilityMember |
Debt maturity period |  |  | Dec. 31, 2016 |
March 2015 [Member] |  |  |  |
Proceeds from issuance aggregate offering price | 5,400 us-gaap_ProceedsFromIssuanceInitialPublicOffering / us-gaap_CreationDateAxis = URRE_MarchThousandAndFifteenMember |  |  |
February 2014 [Member] |  |  |  |
Proceeds from issuance aggregate offering price | 9,307 us-gaap_ProceedsFromIssuanceInitialPublicOffering / us-gaap_CreationDateAxis = URRE_FebruaryTwoThousandAndFourteenMember |  |  |
March,19, 2015 [Member] | ATM Sales Agreement [Member] |  |  |  |
Available for sale Securities | $ 6,000 us-gaap_AvailableForSaleSecuritiesEquitySecurities / us-gaap_CreationDateAxis = URRE_MarchNineteenTwoThousandAndFifteenMember / us-gaap_TypeOfArrangementAxis = URRE_ATMSalesAgreementMember |  |  |

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