Ur-Energy Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Shareholders' Equity and Capital Stock (Details)

v2.4.1.9

Shareholders' Equity and Capital Stock (Details)	3 Months Ended					3 Months Ended				3 Months Ended
Shareholders' Equity and Capital Stock (Details)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2015 CAD	Dec. 31, 2014	Dec. 31, 2013 Capital Stock	Mar. 31, 2015 In Money Stock Option [Member] USD ($)	Mar. 31, 2015 Restricted Stock Units (Rsus) [Member] USD ($) item	Mar. 31, 2014 Restricted Stock Units (Rsus) [Member]	Mar. 31, 2015 Restricted Stock Units (Rsus) [Member] Capital Stock	Mar. 31, 2015 Employee Stock Option [Member]	Mar. 31, 2015 Grant Date [Member] Employee Stock Option [Member]	Mar. 31, 2015 Four and One Half Months After Grant [Member] Employee Stock Option [Member]	Mar. 31, 2015 Nine Months After Grant [Member] Employee Stock Option [Member]	Mar. 31, 2015 Thirteen and One Half Months After Grant [Member] Employee Stock Option [Member]	Mar. 31, 2015 Eighteen Months After Date Of Grant [Member] Employee Stock Option [Member]	Mar. 31, 2015 First Anniversary [Member] Restricted Stock Units (Rsus) [Member]	Mar. 31, 2015 Second Anniversary [Member] Restricted Stock Units (Rsus) [Member]
Stockholder's Equity Note [Line Items]
Vesting percentage											10.00%	22.00%	22.00%	22.00%	24.00%	50.00%	50.00%
Grant date intrinsic value	$ 0
Fair value of options vested in period	$ 100,000
Share Price			1.20us-gaap_SharePrice
Number of options outstanding			7,971,461	8,468,614		4,843,195
Number of options exercisable						3,915,659
Retiree age for redemption threshold							65
Years of service							5 years
Number of securities called by each unit					1				1
Stock based compensation	188,000us-gaap_ShareBasedCompensation	293,000us-gaap_ShareBasedCompensation
Options, Unrecognized compensation						400,000
RSUs, Unrecognized compensation							600,000
Compensation recognition period (in years)						1 year	1 year 8 months 12 days
Proceeds from Stock Options Exercised	$ 302,000	$ 834,000
Granted, Options										0
Granted, RSU	274,574							0

- Definition

The age of retiree that is a factor in the determination of the threshold for redemption, rather than cancellation, of shares.

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The minimum years of service that must be achieved by retirees for redemption, rather than cancellation, of shares.

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Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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Unrecognized cost of unvested options awarded to employees as compensation.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Price of a single share of a number of saleable stocks of a company.

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