Note 1 - Basis of Presentation - Revenues Allocated by Geographic Area (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Medical Equipment Leasing [Member]
Leasing Revenue	$ 3,545,000	$ 3,571,000	$ 6,565,000	$ 6,562,000
Patient Income [Member]
Leasing Revenue	4,885,000	3,500,000	8,949,000	6,621,000
Geographic Distribution, Domestic [Member] \| Medical Equipment Leasing [Member]
Leasing Revenue	3,545,000	3,571,000	6,565,000	6,562,000
Geographic Distribution, Domestic [Member] \| Patient Income [Member]
Leasing Revenue	2,469,000	1,932,000	4,621,000	3,873,000
Geographic Distribution, Foreign [Member] \| Patient Income [Member]
Leasing Revenue	$ 2,416,000	$ 1,568,000	$ 4,328,000	$ 2,748,000

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details