Note 2 - Accounting Policies - Profit (Loss) Allocations to Reportable Segments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net Income (Loss) Attributable to Parent	$ 610,000	$ 1,328,000
Medical Equipment Leasing [Member]
Net Income (Loss) Attributable to Parent	518,000	1,187,000
Direct Patient Services [Member]
Net Income (Loss) Attributable to Parent	$ 92,000	$ 141,000