Additional Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Common Shares issued and outstanding percentage.

+ References

No definition available.

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- Definition

This represents the total fair value of united granted as annual grants to the non-employee directors.

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

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

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- Definition

Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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- Definition

Number of shares issued under share-based payment arrangement.

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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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- Definition

Number of share options (or share units) exercised during the current period.

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Share-Based Compensation (Details) - USD ($)	3 Months Ended		9 Months Ended
Share-Based Compensation (Details) - USD ($)	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Share-Based Compensation
Stock options issued	1,237,329
Aggregate vested units outstanding	19,284		19,284
General and administration expenses
Share-Based Compensation
Share-based compensation expense	$ 300,000		$ 300,000
Short Term Incentive Plan
Share-Based Compensation
Number of stock options outstanding (in shares)	15,356,340		15,356,340
Stock options issued or exercised	100,000		118,461
Long Term Incentive Plan
Share-Based Compensation
Number of stock options outstanding (in shares)	9,783,922		9,783,922
Restricted Stock Units ("RSUs")
Share-Based Compensation
Share-based compensation expense	$ 1,800,000	$ 35,000	$ 5,700,000	$ 35,000
Granted			$ 1.75
Shares issued	1,072,572		1,072,572
Amount to settle liabilities	$ 1,800,000		$ 1,800,000
Stock options forfeited	339,007		396,691
Unrecognized share-based compensation expense	$ 7,700,000		$ 7,700,000		$ 12,300,000
Restricted Stock Units ("RSUs") \| General and administration expenses
Share-Based Compensation
Share-based compensation expense	900,000	35,000	3,000,000.0	35,000
Restricted Stock Units ("RSUs") \| Exploration and evaluation activities
Share-Based Compensation
Share-based compensation expense	900,000	0	2,800,000	0
Restricted Stock Units ("RSUs") \| Non-Employee Directors
Share-Based Compensation
Fair value of units granted as annual grants			700,000	0
Employee stock option \| General and administration expenses
Share-Based Compensation
Share-based compensation expense	1,000,000.0	6,400,000	4,600,000	24,700,000
Employee stock option \| Exploration and evaluation activities
Share-Based Compensation
Share-based compensation expense	700,000	3,000,000	4,600,000	30,600,000
Equity option
Share-Based Compensation
Share-based compensation expense	$ 176,000,000	$ 9,500,000	$ 9,200,000	$ 55,200,000
2021 Incentive Equity Plan
Share-Based Compensation
Aggregate number of common shares reserved for issuance under the plan	33,699,685		33,699,685
Additional shares including to the plan 2022	9,017,299		9,017,299
Common Shares issued and outstanding percentage			4.00%
2021 Incentive Equity Plan \| Non-employee directors
Share-Based Compensation
Stock option number of shares outstanding (in shares)	2,243,853		2,243,853