Note 5 - Non-operating Income (Details Textual) - USD ($)	1 Months Ended	3 Months Ended
Jan. 31, 2024	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Proceeds from Sale of Unconsolidated Company	$ 2,100,000	$ 2,100,000	$ 0
Gain (Loss) on Sale of Unconsolidated Company	$ 1,024,000	$ 1,024,000	$ (0)
Homecare Agency in Nashville, Tennessee [Member]
Equity Method Investment, Ownership Percentage				50.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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