XML 58 R52.htm IDEA: XBRL DOCUMENT
v3.22.1

Notes Payable (Details Narrative) $ in Millions | Oct. 15, 2015 USD ($) | Oct. 23, 2013 integer
--- | --- | ---
Due Quarterly Commencing From January 1, 2014 [Member] |  |
Fixed Interest Rate (as A Percent) |  | 5.75%
Due Quarterly Commencing From January 1, 2015 [Member] |  |
Number Of Installments | integer |  | 28
Sweetwater Bond loan [Member] |  |
Proceeds From Issuance Of Long-term Debt | $ | $ 34.0 |

X
- References No definition available. + Details
Name: | urg_DebtInstrumentNumberOfInstallments
Namespace Prefix: | urg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | urg_Debtinstrumentinterestratestatedpercentage
Namespace Prefix: | urg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=urg_DueQuarterlyCommencingFromJanuaryOneTwoThousandFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=urg_DueQuarterlyCommencingFromJanuaryOneTwoThousandFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=urg_SweetwaterIdrBondMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |