Note 2 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended
Mar. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Accounts Receivable, Credit Loss Expense (Reversal)		$ 2,661,000	$ 2,471,000
Accounts Receivable, Allowance for Credit Loss	$ 10,926,000	$ 10,926,000		$ 9,702,000
Number of Reportable Segments	2	2
Number of Operating Segments	2	2
General and Administrative Expense		$ 6,632,000	$ 6,164,000
Continuing Care Retirement Communities, Refund Obligation	$ 1,474,000	$ 1,474,000		$ 1,474,000
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	2 years	2 years
Minimum [Member] \| Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	20 years	20 years
Minimum [Member] \| Equipment and Furniture [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years	3 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	15 years	15 years
Maximum [Member] \| Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	40 years	40 years
Maximum [Member] \| Equipment and Furniture [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years	15 years

Amount of allowance for credit loss on accounts receivable.

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