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Stock-Based Compensation, Equity Incentive Plans (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock Options [Member]
Stock-based Compensation [Abstract]
Stock option outstanding (in shares)	359,000	199,000	0
2020 Equity Incentive Plan [Member]
Stock-based Compensation [Abstract]
Stock-based compensation shares authorized (in shares)	256,000
Percentage of number of shares of common stock outstanding	5.00%
Number of shares issued (in shares)	0
Number of common stock shares to be issued (in shares)	166,000
Stock option outstanding (in shares)		258,000
Restricted stock units outstanding (in shares)	0
2020 Equity Incentive Plan [Member] | Stock Options [Member]
Stock-based Compensation [Abstract]
Stock-based compensation shares authorized (in shares)	424,000
2020 Equity Incentive Plan [Member] | Incentive Stock Options [Member] | Maximum [Member]
Stock-based Compensation [Abstract]
Stock based compensation stock option term period	10 years
2020 Equity Incentive Plan [Member] | Nonqualified Stock Options [Member] | Maximum [Member]
Stock-based Compensation [Abstract]
Stock based compensation stock option term period	10 years
2021 Inducement Plan [Member]
Stock-based Compensation [Abstract]
Number of common stock shares to be issued (in shares)	57,000
Stock option outstanding (in shares)		12,000
Restricted stock units outstanding (in shares)		4,000
2021 Inducement Plan [Member] | Maximum [Member]
Stock-based Compensation [Abstract]
Stock-based compensation shares authorized (in shares)	75,000

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Percentage of common stock shares outstanding considered for equity number of shares under equity incentive 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
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Number of shares authorized for issuance under share-based payment arrangement.

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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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Number of options outstanding, including both vested and non-vested options.

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Number of shares issued under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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