XML 40 R47.htm IDEA: XBRL DOCUMENT
v2.4.0.8

OTHER LONG-TERM LIABILITIES AND DEFERRED CREDITS (Details) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Other long-term liabilities and deferred credits |  |
Royalties payable | $ 500,000 | $ 500,000
Crownpoint property | 450,000 | 450,000
GE purchase contract | 400,000 |
Other long-term liabilities and deferred credits | $ 1,350,000 | $ 950,000

X
- Definition Represents the carrying value, as of the balance sheet date, of obligations incurred through that date and payable for property purchased after one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | urre_AccruedPropertyObligationNoncurrent
Namespace Prefix: | urre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the carrying value, as of the balance sheet date, of obligations incurred through that date and payable for purchase contract after one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | urre_AccruedPurchaseContractObligationNoncurrent
Namespace Prefix: | urre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the carrying value, as of the balance sheet date, of obligations incurred through that date and payable for royalties after one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | urre_AccruedRoyaltiesNoncurrent
Namespace Prefix: | urre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income after one year or beyond the normal operating cycle, if longer and noncurrent obligations not separately disclosed in the balance sheet (other liabilities, noncurrent). + References No definition available. + Details
Name: | us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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