Estimated Fair Value Per Share

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- Definition

Amount of liability recognized for award under share-based payment arrangement.

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Period After Termination Of Employment Or Service To Exercise Pro Rata Vesting

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Threshold Service Period For Pro Rata Vesting

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No definition available.

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- Definition

The right to buy number of common stock upon vesting.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Face amount or stated value per share of common stock.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

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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- 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.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands			9 Months Ended
	May 18, 2021	Feb. 25, 2021	Sep. 30, 2021	Dec. 31, 2020	Mar. 15, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance					4,000,000
Common stock, par value (in dollars per share)			$ 0.0001	$ 0.0001
Executive Stock Appreciation Rights Award Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Period After Termination Of Employment Or Service To Exercise Pro Rata Vesting		2 years
Share Based Compensation Arrangement By Share Based Payment Award Threshold Service Period For Pro Rata Vesting		12 months
Executive Restricted Stock Unit Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Threshold Service Period For Pro Rata Vesting		12 months
Share-based Payment Arrangement, Tranche One [Member] \| Executive Stock Appreciation Rights Award Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		50.00%
Share-based Payment Arrangement, Tranche One [Member] \| Executive Restricted Stock Unit Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		50.00%
Share-based Payment Arrangement, Tranche Two [Member] \| Executive Stock Appreciation Rights Award Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		50.00%
Share-based Payment Arrangement, Tranche Two [Member] \| Executive Restricted Stock Unit Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		50.00%
Time-based restricted stock unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Right to buy number of shares upon vesting		1
Options
Outstanding Options at beginning of period (in shares)			1,124,762
Granted (in shares)			1,461,450
Vested and released (in shares)			(654,068)
Forfeited (in shares)			(1,606)
Outstanding Options at end of period (in shares)			1,930,538
Weighted Average Grant Date Fair Value per Share
Outstanding Options at beginning of period (in shares)			$ 4.21
Granted (in dollars per share)			2.01
Vested and released (in dollars per share)			3.00
Forfeited (in dollars per share)			4.67
Outstanding Options at end of period (in dollars per share)			$ 2.95
Time-based restricted stock unit \| Non-executive Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	326,926
Time-based restricted stock unit \| Executive Officers and Other Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		1,134,524
Time-based stock option awards
Options
Forfeited (in shares)			0
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			1,551,631
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount			$ 3,600
Deferred Compensation Share-based Arrangements, Liability, Current			$ 900
Estimated Fair Value Per Share			$ 2.92
Options
Forfeited (in shares)			0
Outstanding Options at end of period (in shares)		1,551,631
Weighted Average Grant Date Fair Value per Share
Outstanding Options at end of period (in dollars per share)			$ 0.78
Liability Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability recognized			$ 600
Options
Granted (in shares)			582,096
Weighted Average Grant Date Fair Value per Share
Granted (in dollars per share)			$ 3.73
Liability Based Restricted Stock Units [Member] \| Accrued Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability recognized			$ 400
Liability Based Restricted Stock Units [Member] \| Other Noncurrent Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability recognized			$ 200