Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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

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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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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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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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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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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Stock-Based Compensation - Restricted Stock Unit Grants (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock-Based Compensation
Payment, Tax Withholding, Share-based Payment Arrangement		$ 7	$ 223
RSU's \| 2018 Plan
Number of Units
Outstanding Balance as of December 31, 2021	26,455
Shares granted	1,466,084
Shares forfeited	(80,001)
Shares vested	(43,530)
Outstanding Balance as of June 30, 2022	1,369,008	26,455
Weighted Average Grant Date Fair Value
Balance at the beginning of the period	$ 3.78
Shares granted	1,780
Shares forfeited	2.73
Shares vested	(2.30)
Balance at the end of the period	$ 1.75	$ 3.78
Average Remaining Contractual Life (Years)
Weighted average remaining contractual life (in years)	1 month 9 days	10 months 28 days
Aggregate Intrinsic Value
Aggregate intrinsic value outstanding	$ 2,393	$ 50
RSU's \| 2018 Plan \| Minimum
Stock-Based Compensation
Vesting period	1 year
RSU's \| 2018 Plan \| Maximum
Stock-Based Compensation
Vesting period	2 years
Common Stock
Stock-Based Compensation
Adjustment to number of shares withheld in lieu of tax obligation of RSU holders in the year 2018		921