Note 1 - Basis of Presentation - Revenues Allocations to Reportable Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues	$ 7,056,000	$ 5,568,000	$ 12,272,000	$ 10,493,000
Medical Equipment Leasing [Member]
Revenues	3,899,000	4,812,000	8,152,000	9,041,000
Direct Patient Services [Member]
Revenues	$ 3,157,000	$ 756,000	$ 4,120,000	$ 1,452,000