Note 1 - Basis of Presentation - Profit (Loss) Allocations to Reportable Segments (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net income (loss)	$ (207,000)	$ 118,000	$ 3,514,000	$ 195,000
Medical Equipment Leasing [Member]
Net income (loss)	(602,000)	100,000	(2,096,000)	328,000
Direct Patient Services [Member]
Net income (loss)	$ 395,000	$ 18,000	$ 5,610,000	$ (133,000)