Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Shareholders' Equity

v2.4.1.9
Consolidated Statements of Shareholders' Equity (USD $)
In Thousands, except Share data
Capital Stock
Warrants
Contributed Surplus
Accumulated Other Comprehensive Income
Deficit
Total
Beginning Balance at Dec. 31, 2011 $ 144,156us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 43us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
$ 11,685us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ 8,224us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (101,119)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 62,989us-gaap_StockholdersEquity
Beginning Balance (in shares) at Dec. 31, 2011 103,675,444us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options 117us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (41)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    76us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Exercise of stock options (in shares) 88,473us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        88,473us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Common shares issued for cash, net of issue costs - additional costs 16,275us-gaap_StockIssuedDuringPeriodValueIssuedForCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        16,275us-gaap_StockIssuedDuringPeriodValueIssuedForCash
Common shares issued for cash, net of issue costs - additional costs (in shares) 17,250,000us-gaap_StockIssuedDuringPeriodSharesIssuedForCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Redemption of vested RSUs 348us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (366)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    (18)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
Redemption of vested RSUs (in shares) 120,359us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Issuance of warrants   18urg_IssuanceOfWarrantsValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
      18urg_IssuanceOfWarrantsValue
Non-cash stock compensation     2,410us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    2,410us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Net loss and comprehensive loss       1,445us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(17,558)us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(16,113)us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
Ending Balance at Dec. 31, 2012 160,896us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
61us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
13,688us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
9,669us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(118,677)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
65,637us-gaap_StockholdersEquity
Ending Balance (in shares) at Dec. 31, 2012 121,134,276us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options 420us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (145)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    275us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Exercise of stock options (in shares) 377,927us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        377,927us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Common shares issued for cash, net of issue costs - additional costs 3,396us-gaap_StockIssuedDuringPeriodValueIssuedForCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        3,396us-gaap_StockIssuedDuringPeriodValueIssuedForCash
Common shares issued for cash, net of issue costs - additional costs (in shares) 4,709,089us-gaap_StockIssuedDuringPeriodSharesIssuedForCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Adjustment to beginning balances due to change in functional currency       (6,161)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
  (6,161)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
Redemption of vested RSUs 499us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (563)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    (64)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
Redemption of vested RSUs (in shares) 338,451us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Issuance of warrants   4,228urg_IssuanceOfWarrantsValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
      4,228urg_IssuanceOfWarrantsValue
Cancellation of warrants   (114)urg_ClassOfWarrantOrRightCancellationAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
114urg_ClassOfWarrantOrRightCancellationAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
     
Common shares issued for royalty interest 763urg_StockIssuedDuringPeriodValueIssuedForRoyaltyInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        763urg_StockIssuedDuringPeriodValueIssuedForRoyaltyInterest
Common shares issued for royalty interest (in shares) 1,000,000urg_StockIssuedDuringPeriodSharesIssuedForRoyaltyInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Non-cash stock compensation     1,153us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    1,153us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Ending Balance at Dec. 31, 2013 165,974us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
4,175us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
14,247us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,298us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(149,030)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
38,664us-gaap_StockholdersEquity
Ending Balance (in shares) at Dec. 31, 2013 127,559,743us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options 2,052us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (705)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    1,347us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Exercise of stock options (in shares) 1,623,139us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        1,623,139us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Common shares issued for cash, net of issue costs - additional costs (50)us-gaap_StockIssuedDuringPeriodValueIssuedForCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
        (50)us-gaap_StockIssuedDuringPeriodValueIssuedForCash
Redemption of vested RSUs 142us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (225)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    (83)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
Redemption of vested RSUs (in shares) 182,194us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Other capital contributions     5us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    5us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Non-cash stock compensation     928us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    928us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Net loss and comprehensive loss       39us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(8,749)us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(8,710)us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
Ending Balance at Dec. 31, 2014 $ 168,118us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 4,175us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
$ 14,250us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ 3,337us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (157,779)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 32,101us-gaap_StockholdersEquity
Ending Balance (in shares) at Dec. 31, 2014 129,365,076us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember