Note 1 - Basis of Presentation - Profit (Loss) Allocations to Reportable Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net income (loss)	$ 3,602,000	$ (111,000)	$ 3,721,000	$ 77,000
Medical Equipment Leasing [Member]
Net income (loss)	(427,000)	(26,000)	(258,000)	229,000
Direct Patient Services [Member]
Net income (loss)	$ 4,029,000	$ (85,000)	$ 3,979,000	$ (152,000)