Note 3 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Effective Income Tax Rate Reconciliation, Percent	22.00%	23.00%
Effective Income Tax Rate Change, Share-based Compensation	$ 79,000
Income Tax Reconciliation, State Tax Changes	$ 32,000

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

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Period Type:	duration