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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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- 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) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of shares issued under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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