| Component: (Network and Table) | |
|---|---|
| Network | 00400 - Statement - Consolidated Statements of Cash Flow (http://www.ur-energy.com/role/StatementConsolidatedStatementsOfCashFlow)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001375205 (http://www.sec.gov/CIK) | 
| Statement Of Cash Flows [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31  | 2015-01-01 - 2015-12-31  | 2014-01-01 - 2014-12-31  | |
Statement Of Cash Flows [Abstract]  | |||
Cash provided by (used in) Operating activities  | |||
Net loss for the year  | (3,010,000)   | (795,000)   | (8,749,000)   | 
Items not affecting cash:  | |||
Stock based expense  | |||
Depreciation and amortization  | |||
Accretion of asset retirement obligation  | 534,000    | 515,000    | 497,000    | 
Amortization of deferred loan costs  | |||
Write off of investments  | 1,089,000    | ||
Write-off of mineral properties  | 62,000    | 483,000    | |
Gain on foreign exchange  | |||
Warrants mark to market gain (loss)  | (36,000)   | (307,000)   | (946,000)   | 
Gain on disposition of assets  | (  | (  | |
Other loss  | |||
Income tax recovery  | (  | (  | |
RSUs redeemed to pay withholding  | (  | (  | (  | 
Proceeds from assignment of sales contract  | (  | ||
Change in non-cash working capital items:  | |||
Accounts receivable  | (  | ||
Inventory  | (  | (  | |
Prepaid expenses  | (  | ||
Accounts payable and accrued liabilities  | (  | (  | |
Accrued income taxes  | |||
Net Cash Provided by (Used in) Operating Activities, Total  | |||
Investing activities  | |||
Mineral property costs  | (  | ||
Increase in restricted cash  | (  | ||
Funding of equity investment  | (  | (  | (  | 
Proceeds from sale of property and equipment  | |||
Purchase of capital assets  | (  | (  | (  | 
Net Cash Provided by (Used in) Investing Activities, Total  | (  | (  | (  | 
Financing activities  | |||
Issuance of common shares and warrants for cash  | |||
Share issue costs  | (  | (  | |
Proceeds from exercise of stock options  | |||
Proceeds from debt financing  | |||
Cost of debt financing  | (  | ||
Repayment of debt  | (  | (  | (  | 
Net Cash Provided by (Used in) Financing Activities, Total  | (  | (  | |
Effects of foreign exchange rate changes on cash  | (  | (  | (  | 
Net change in cash and cash equivalents  | (  | ||
Beginning cash and cash equivalents  | 1,443,000    | ||
Ending cash and cash equivalents  | 1,552,000    | 1,443,000    | 3,104,000    | 
Total Interest paid  | |||
Total taxes paid  | |||