Share based compensation arrangement by share based payment award grant date fair value.

No definition available.

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- Definition

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

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- Definition

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

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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-Publisher FASB
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- Definition

Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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).

+ References

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- Definition

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

+ References

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

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

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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- Definition

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

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Share-based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Oct. 04, 2022	Oct. 03, 2022	Apr. 30, 2020	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total intrinsic value of share options exercised				$ 400	$ 7,400
Exercise of share options, Shares				699,234
Weighted average grant date fair value of share options granted				$ 0.32	$ 3.10
Number of shares vested				55,001
Compensation cost recognized				$ 16,010	$ 22,536
Number of shares granted				2,192,988
Total unrecognized compensation cost of stock option and time-based RSUs				$ 14,000
Compensation cost expected to be recognized weighted average period				2 years 4 months 2 days
Total unrecognized compensation cost of performance-based RSUs				$ 1,400
Employees and Certain Independent Contractors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise of share options, Shares	7,946,139
Exercise price, lower limit	$ 0.58
Compensation cost recognized	$ 900
Incremental stock option expense related to unvested options	$ 800
Employees and Certain Independent Contractors \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price, upper limit		$ 1.25
Performance-based Restricted Share Units ("RSUs") \| Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares vested				0
Number of shares granted			195,000
Total grant date fair value			$ 1,400
Performance-based Restricted Share Units ("RSUs") \| Chief Executive Officer \| Achievement of At Least Three of Four Milestones
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rights				The award vests on January 2, 2024 as to 1/3 of the award for each of the first three to occur of four milestones, if each such milestone is achieved by the Company on or before December 31, 2023
Time-based Restricted Share Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				3 years
Number of shares vested				55,001
Number of shares granted				2,192,988
Total unrecognized compensation cost of stock option and time-based RSUs				$ 800
Compensation cost expected to be recognized weighted average period				1 year 11 months 15 days
Vested in period, total fair value				$ 300	$ 300
2018 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining shares available for issuance				5,341,768
2018 ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining shares available for issuance				627,677
Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining shares available for issuance				721,500