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v3.23.1

Note V - Subsequent Events (Details Textual) - shares |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
May 11, 2023 | May 05, 2023 | Mar. 16, 2023 | Dec. 31, 2022
Restricted Stock [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period |  |  |  | 3 years
Restricted Stock [Member] | Share-Based Payment Arrangement, Employee [Member] | Forecast [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 14,375 |  |
Director [Member] | Common Stock [Member] | Stock Issued in Lieu of Board Fees [Member] | Forecast [Member] |  |  |  |
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture | 17,392 |  |  |
Director [Member] | Common Stock [Member] | Stock Issued in Lieu of Board Committee Fees [Member] | Forecast [Member] |  |  |  |
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture | 2,900 | 2,858 |  |
Subsequent Event [Member] | Restricted Stock [Member] | Share-Based Payment Arrangement, Employee [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  | 40,000 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period |  |  | 3 years |
Subsequent Event [Member] | Director [Member] | Common Stock [Member] | Stock Issued in Lieu of Board Fees [Member] |  |  |  |
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture |  |  | 15,388 |

X
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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X
- 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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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X
- Definition Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). + References No definition available. + Details
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