Stock-Based Compensation, Restricted Stock Units (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Unrecognized Compensation Expense [Abstract]
Issuance of restricted stock units (in shares)			234,558
Restricted Stock Units [Member]
Number of Units [Abstract]
Unvested balance at beginning of period (in shares)	119,597	90,540	0
Granted (in shares)		187,464	290,861
Vested (in shares)		(158,407)	(146,364)
Forfeited and expired (in shares)		0	(53,957)
Unvested balance at end of period (in shares)		119,597	90,540
Weighted-Average Grant Date Fair Value [Abstract]
Unvested balance at beginning of period (in dollars per share)	$ 0.93	$ 1.45	$ 0
Granted (in dollars per share)		0.96	1.44
Vested (in dollars per share)		1.26	1.42
Forfeited and expired (in dollars per share)		0	1.45
Unvested balance at end of period (in dollars per share)		$ 0.93	$ 1.45
Unrecognized Compensation Expense [Abstract]
Weighted average period of recognition		6 months
Restricted Stock Units [Member] \| Subsequent Event [Member]
Unrecognized Compensation Expense [Abstract]
Issuance of restricted stock units (in shares)	158,407
Restricted Stock Units [Member] \| Maximum [Member]
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation expense		$ 0.1

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

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

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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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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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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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