Amount of unrecognized compensation costs .

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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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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-Publisher FASB
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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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-Publisher FASB
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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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-Publisher FASB
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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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Stockholders' Equity - Summary of the restricted stock unit activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Weighted Average Grant-Date Fair Value
Stock-based compensation cost	$ 23,565	$ 1,189	$ 2,813
Cost of revenue
Weighted Average Grant-Date Fair Value
Stock-based compensation cost	$ 2,788	$ 109	$ 353
Restricted stock
Number of shares
Outstanding at the beginning	2,530
Granted	3,011
Vested	4
Forfeited	302
Outstanding at the end	5,235	2,530
Weighted Average Grant-Date Fair Value
Outstanding at the beginning	$ 8.53
Granted	9.11
Vested	9.25
Forfeited	8.33
Outstanding at the end	$ 8.88	$ 8.53
Number of RSUs outstanding subject to a certain vesting condition	5,235	2,530
RSUs
Number of shares
Outstanding at the end	2,500,000
Weighted Average Grant-Date Fair Value
Unrecognized compensation costs	$ 29,100
Number of RSUs outstanding subject to a certain vesting condition	2,500,000
Unrecognized Compensation Costs	$ 21,200