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Note 2 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Number of Reportable Segments			2
Number of Operating Segments			2
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property			$ 3,606,000	$ (0)
General and Administrative Expense	$ 6,250,000	$ 6,288,000	19,909,000	$ 19,678,000
Continuing Care Retirement Communities, Refund Obligation	$ 1,474,000		$ 1,474,000		$ 1,474,000
TENNESSEE | Multi Family Development Investments [Member]
Equity Method Investment, Ownership Percentage	55.00%		55.00%
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	2 years		2 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	15 years		15 years
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	20 years		20 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	40 years		40 years
Equipment and Furniture [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years		3 years
Equipment and Furniture [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years		15 years
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Exchange [Member] | Land [Member]
Property, Plant, and Equipment, Fair Value Disclosure	$ 5,625,000		$ 5,625,000
Inventory, Land, Held-for-Sale	$ 2,019,000		2,019,000
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property			$ 3,606,000

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