Note 1 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Accounts Receivable, Credit Loss Expense (Reversal)	$ 8,831,000	$ 7,424,000	$ 4,711,000
Accounts Receivable, Allowance for Credit Loss	$ 9,702,000	8,054,000
Number of Reportable Segments	2
General and Administrative Expense	$ 26,236,000	21,412,000	20,651,000
Contract with Customer, Refund Liability	6,063,000	6,376,000
Continuing Care Retirement Communities, Refund Obligation	$ 1,474,000	$ 1,606,000
Impairment (Recovery) of Assets [Member]
Accounts Receivable, Allowance for Credit Loss, Recovery			$ 3,728,000
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	2 years
Minimum [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	20 years
Minimum [Member] | Equipment and Furniture [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	15 years
Maximum [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	40 years
Maximum [Member] | Equipment and Furniture [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years