Note E - Stock Compensation (Details Textual) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	6 Months Ended
Jun. 30, 2023	Jul. 09, 2022	Jun. 30, 2023	Jul. 09, 2022
Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture	$ 52	$ 51	$ 52	$ 51
Share-Based Payment Arrangement, Expense	458	688	917	1,076
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 2,500	$ 2,600	$ 2,500	$ 2,600
Restricted Stock Units (RSUs) [Member] \| Share-Based Payment Arrangement, Employee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period			145,563
Director [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period			21,200
Incentive Plan 2017 [Member]
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture			30,921
Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture			$ 395
Incentive Plan 2017 [Member] \| Director [Member]
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture			4,441

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- 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

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- Definition

Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

+ References

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Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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