XML 36 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.8

OTHER LONG-TERM LIABILITIES AND DEFERRED CREDITS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
OTHER LONG-TERM LIABILITIES AND DEFERRED CREDITS |
Schedule of other long-term liabilities and deferred credits |
|  | At December 31, |
--- | --- | --- | ---
|  | 2013 |  | 2012 |
Royalties payable(1) |  | $ | 500,000 |  | $ | 500,000 |
Crownpoint property(1) |  |  | 450,000 |  |  | 450,000 |
GE purchase contract(2) |  |  | 400,000 |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 1,350,000 |  | $ | 950,000 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(1) Royalties payble and Crownpoint property liability were derived during prior years of production. Liabilities do not accrue interest or have a stated maturity date. (2) Balance is due on August 1, 2015.

X
- Definition Tabular disclosure of information pertaining to noncurrent obligations and deferred credits not separately disclosed in the balance sheet. + References No definition available. + Details
Name: | urre_ScheduleOfOtherLiabilitiesAndDeferredCreditNoncurrentTableTextBlock
Namespace Prefix: | urre_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_OtherLiabilitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration