3.20.2 html 179 303 1 false 62 0 false 8 false false R1.htm 00090 - Document - Document And Entity Information Sheet http://www.ur-energy.com/role/DocumentDocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 00100 - Statement - Consolidated Balance Sheets Sheet http://www.ur-energy.com/role/StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 00105 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.ur-energy.com/role/StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - Consolidated Statements of Operations and Comprehensive Loss Sheet http://www.ur-energy.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss Consolidated Statements of Operations and Comprehensive Loss Statements 4 false false R5.htm 00300 - Statement - Consolidated Statements of Shareholders' Equity Sheet http://www.ur-energy.com/role/StatementConsolidatedStatementsOfShareholdersEquity Consolidated Statements of Shareholders' Equity Statements 5 false false R6.htm 00400 - Statement - Consolidated Statements of Cash Flow Sheet http://www.ur-energy.com/role/StatementConsolidatedStatementsOfCashFlow Consolidated Statements of Cash Flow Statements 6 false false R7.htm 10101 - Disclosure - Nature of Operations Sheet http://www.ur-energy.com/role/DisclosureNatureOfOperations Nature of Operations Notes 7 false false R8.htm 10201 - Disclosure - Liquidity Risk Sheet http://www.ur-energy.com/role/DisclosureLiquidityRisk Liquidity Risk Notes 8 false false R9.htm 10301 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.ur-energy.com/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 10401 - Disclosure - Cash and Cash Equivalents Sheet http://www.ur-energy.com/role/DisclosureCashAndCashEquivalents Cash and Cash Equivalents Notes 10 false false R11.htm 10501 - Disclosure - Inventory Sheet http://www.ur-energy.com/role/DisclosureInventory Inventory Notes 11 false false R12.htm 10601 - Disclosure - Restricted Cash Sheet http://www.ur-energy.com/role/DisclosureRestrictedCash Restricted Cash Notes 12 false false R13.htm 10701 - Disclosure - Mineral Properties Sheet http://www.ur-energy.com/role/DisclosureMineralProperties Mineral Properties Notes 13 false false R14.htm 10801 - Disclosure - Capital Assets Sheet http://www.ur-energy.com/role/DisclosureCapitalAssets Capital Assets Notes 14 false false R15.htm 10901 - Disclosure - Accounts Payable and Accrued Liabilities Sheet http://www.ur-energy.com/role/DisclosureAccountsPayableAndAccruedLiabilities Accounts Payable and Accrued Liabilities Notes 15 false false R16.htm 11001 - Disclosure - Notes Payable Notes http://www.ur-energy.com/role/DisclosureNotesPayable Notes Payable Notes 16 false false R17.htm 11101 - Disclosure - Asset Retirement Obligations Sheet http://www.ur-energy.com/role/DisclosureAssetRetirementObligations Asset Retirement Obligations Notes 17 false false R18.htm 11201 - Disclosure - Other Liabilities Sheet http://www.ur-energy.com/role/DisclosureOtherLiabilities Other Liabilities Notes 18 false false R19.htm 11301 - Disclosure - Shareholders' Equity and Capital Stock Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStock Shareholders' Equity and Capital Stock Notes 19 false false R20.htm 11401 - Disclosure - Sales Sheet http://www.ur-energy.com/role/DisclosureSales Sales Notes 20 false false R21.htm 11501 - Disclosure - Supplementary Information For Statement of Cash Flows Sheet http://www.ur-energy.com/role/DisclosureSupplementaryInformationForStatementOfCashFlows Supplementary Information For Statement of Cash Flows Notes 21 false false R22.htm 11601 - Disclosure - Financial instruments Sheet http://www.ur-energy.com/role/DisclosureFinancialInstruments Financial instruments Notes 22 false false R23.htm 11701 - Disclosure - Subsequent Event Sheet http://www.ur-energy.com/role/DisclosureSubsequentEvent Subsequent Event Notes 23 false false R24.htm 20302 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.ur-energy.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.ur-energy.com/role/DisclosureSummaryOfSignificantAccountingPolicies 24 false false R25.htm 30403 - Disclosure - Cash and Cash Equivalents (Tables) Sheet http://www.ur-energy.com/role/DisclosureCashAndCashEquivalentsTables Cash and Cash Equivalents (Tables) Tables http://www.ur-energy.com/role/DisclosureCashAndCashEquivalents 25 false false R26.htm 30503 - Disclosure - Inventory (Tables) Sheet http://www.ur-energy.com/role/DisclosureInventoryTables Inventory (Tables) Tables http://www.ur-energy.com/role/DisclosureInventory 26 false false R27.htm 30703 - Disclosure - Mineral Properties (Tables) Sheet http://www.ur-energy.com/role/DisclosureMineralPropertiesTables Mineral Properties (Tables) Tables http://www.ur-energy.com/role/DisclosureMineralProperties 27 false false R28.htm 30803 - Disclosure - Capital Assets (Tables) Sheet http://www.ur-energy.com/role/DisclosureCapitalAssetsTables Capital Assets (Tables) Tables http://www.ur-energy.com/role/DisclosureCapitalAssets 28 false false R29.htm 30903 - Disclosure - Accounts Payable and Accrued Liabilities (Tables) Sheet http://www.ur-energy.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables Accounts Payable and Accrued Liabilities (Tables) Tables http://www.ur-energy.com/role/DisclosureAccountsPayableAndAccruedLiabilities 29 false false R30.htm 31003 - Disclosure - Notes Payable (Tables) Notes http://www.ur-energy.com/role/DisclosureNotesPayableTables Notes Payable (Tables) Tables http://www.ur-energy.com/role/DisclosureNotesPayable 30 false false R31.htm 31103 - Disclosure - Asset Retirement Obligations (Tables) Sheet http://www.ur-energy.com/role/DisclosureAssetRetirementObligationsTables Asset Retirement Obligations (Tables) Tables http://www.ur-energy.com/role/DisclosureAssetRetirementObligations 31 false false R32.htm 31303 - Disclosure - Shareholders' Equity and Capital Stock (Tables) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockTables Shareholders' Equity and Capital Stock (Tables) Tables http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStock 32 false false R33.htm 31403 - Disclosure - Sales (Tables) Sheet http://www.ur-energy.com/role/DisclosureSalesTables Sales (Tables) Tables http://www.ur-energy.com/role/DisclosureSales 33 false false R34.htm 31503 - Disclosure - Supplementary Information For Statement of Cash Flows (Tables) Sheet http://www.ur-energy.com/role/DisclosureSupplementaryInformationForStatementOfCashFlowsTables Supplementary Information For Statement of Cash Flows (Tables) Tables http://www.ur-energy.com/role/DisclosureSupplementaryInformationForStatementOfCashFlows 34 false false R35.htm 40101 - Disclosure - Nature of Operations (Details) Sheet http://www.ur-energy.com/role/DisclosureNatureOfOperationsDetails Nature of Operations (Details) Details http://www.ur-energy.com/role/DisclosureNatureOfOperations 35 false false R36.htm 40201 - Disclosure - Liquidity Risk (Details) Sheet http://www.ur-energy.com/role/DisclosureLiquidityRiskDetails Liquidity Risk (Details) Details http://www.ur-energy.com/role/DisclosureLiquidityRisk 36 false false R37.htm 40401 - Disclosure - Cash and Cash Equivalents (Details) Sheet http://www.ur-energy.com/role/DisclosureCashAndCashEquivalentsDetails Cash and Cash Equivalents (Details) Details http://www.ur-energy.com/role/DisclosureCashAndCashEquivalentsTables 37 false false R38.htm 40501 - Disclosure - Inventory (Details) Sheet http://www.ur-energy.com/role/DisclosureInventoryDetails Inventory (Details) Details http://www.ur-energy.com/role/DisclosureInventoryTables 38 false false R39.htm 40601 - Disclosure - Restricted Cash (Details) Sheet http://www.ur-energy.com/role/DisclosureRestrictedCashDetails Restricted Cash (Details) Details http://www.ur-energy.com/role/DisclosureRestrictedCash 39 false false R40.htm 40701 - Disclosure - Mineral Properties - Rollforward (Details) Sheet http://www.ur-energy.com/role/DisclosureMineralPropertiesRollforwardDetails Mineral Properties - Rollforward (Details) Details 40 false false R41.htm 40702 - Disclosure - Mineral Properties (Details) Sheet http://www.ur-energy.com/role/DisclosureMineralPropertiesDetails Mineral Properties (Details) Details http://www.ur-energy.com/role/DisclosureMineralPropertiesTables 41 false false R42.htm 40801 - Disclosure - Capital Assets (Details) Sheet http://www.ur-energy.com/role/DisclosureCapitalAssetsDetails Capital Assets (Details) Details http://www.ur-energy.com/role/DisclosureCapitalAssetsTables 42 false false R43.htm 40901 - Disclosure - Accounts Payable and Accrued Liabilities (Details) Sheet http://www.ur-energy.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails Accounts Payable and Accrued Liabilities (Details) Details http://www.ur-energy.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables 43 false false R44.htm 41001 - Disclosure - Notes Payable - Current vs Long-term (Details) Notes http://www.ur-energy.com/role/DisclosureNotesPayableCurrentVsLongTermDetails Notes Payable - Current vs Long-term (Details) Details 44 false false R45.htm 41002 - Disclosure - Notes Payable - Maturity table (Details) Notes http://www.ur-energy.com/role/DisclosureNotesPayableMaturityTableDetails Notes Payable - Maturity table (Details) Details 45 false false R46.htm 41003 - Disclosure - Notes Payable (Details) Notes http://www.ur-energy.com/role/DisclosureNotesPayableDetails Notes Payable (Details) Details http://www.ur-energy.com/role/DisclosureNotesPayableTables 46 false false R47.htm 41101 - Disclosure - Asset Retirement Obligations (Details) Sheet http://www.ur-energy.com/role/DisclosureAssetRetirementObligationsDetails Asset Retirement Obligations (Details) Details http://www.ur-energy.com/role/DisclosureAssetRetirementObligationsTables 47 false false R48.htm 41102 - Disclosure - Asset Retirement Obligations - Rollfoward (Details) Sheet http://www.ur-energy.com/role/DisclosureAssetRetirementObligationsRollfowardDetails Asset Retirement Obligations - Rollfoward (Details) Details 48 false false R49.htm 41201 - Disclosure - Other Liabilities (Details) Sheet http://www.ur-energy.com/role/DisclosureOtherLiabilitiesDetails Other Liabilities (Details) Details http://www.ur-energy.com/role/DisclosureOtherLiabilities 49 false false R50.htm 41301 - Disclosure - Shareholders' Equity and Capital Stock - options activity (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockOptionsActivityDetails Shareholders' Equity and Capital Stock - options activity (Details) Details 50 false false R51.htm 41302 - Disclosure - Shareholders' Equity and Capital Stock - o/s options (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockOSOptionsDetails Shareholders' Equity and Capital Stock - o/s options (Details) Details 51 false false R52.htm 41303 - Disclosure - Shareholders' Equity and Capital Stock - RSU activity (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockRsuActivityDetails Shareholders' Equity and Capital Stock - RSU activity (Details) Details 52 false false R53.htm 41304 - Disclosure - Shareholders' Equity and Capital Stock - o/s RSUs (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockOSRsusDetails Shareholders' Equity and Capital Stock - o/s RSUs (Details) Details 53 false false R54.htm 41305 - Disclosure - Shareholders' Equity and Capital Stock - warrants activity (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockWarrantsActivityDetails Shareholders' Equity and Capital Stock - warrants activity (Details) Details 54 false false R55.htm 41306 - Disclosure - Shareholders' Equity and Capital Stock - o/s warrants (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockOSWarrantsDetails Shareholders' Equity and Capital Stock - o/s warrants (Details) Details 55 false false R56.htm 41307 - Disclosure - Shareholders' Equity and Capital Stock - addl information (Details) Sheet http://www.ur-energy.com/role/DisclosureShareholdersEquityAndCapitalStockAddlInformationDetails Shareholders' Equity and Capital Stock - addl information (Details) Details 56 false false R57.htm 41401 - Disclosure - Sales (Details) Sheet http://www.ur-energy.com/role/DisclosureSalesDetails Sales (Details) Details http://www.ur-energy.com/role/DisclosureSalesTables 57 false false R58.htm 41501 - Disclosure - Supplementary Information For Statement of Cash Flows (Details) Sheet http://www.ur-energy.com/role/DisclosureSupplementaryInformationForStatementOfCashFlowsDetails Supplementary Information For Statement of Cash Flows (Details) Details http://www.ur-energy.com/role/DisclosureSupplementaryInformationForStatementOfCashFlowsTables 58 false false R59.htm 41601 - Disclosure - Financial instruments (Details) Sheet http://www.ur-energy.com/role/DisclosureFinancialInstrumentsDetails Financial instruments (Details) Details http://www.ur-energy.com/role/DisclosureFinancialInstruments 59 false false R60.htm 41701 - Disclosure - Subsequent Event (Details) Sheet http://www.ur-energy.com/role/DisclosureSubsequentEventDetails Subsequent Event (Details) Details http://www.ur-energy.com/role/DisclosureSubsequentEvent 60 false false All Reports Book All Reports urg-20200630x10q.htm urg-20200630.xsd urg-20200630_cal.xml urg-20200630_def.xml urg-20200630_lab.xml urg-20200630_pre.xml urg-20200630xex31d1.htm urg-20200630xex31d2.htm urg-20200630xex32d1.htm urg-20200630xex32d2.htm http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://xbrl.sec.gov/exch/2019-01-31 http://fasb.org/srt/2019-01-31 true true