Note 2 - Acquisition of White Oak Senior Living - Allocation of Purchase Price (Details) - USD ($)	Dec. 31, 2024	Aug. 01, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill	$ 170,478,000		$ 168,295,000	$ 168,295,000
White Oak Senior Living Portfolio [Member]
Cash and cash equivalents		$ 9,000
Inventories		1,054,000
Prepaid expenses and other assets		137,000
Property and equipment		205,345,000
Operating lease right-of-use assets		11,380,000
Intangible assets		12,826,000
Total assets acquired		230,751,000
Operating lease liabilities, current portion		424,000
Accrued payroll		3,559,000
Other current liabilities		1,085,000
Operating lease liabilities, less current portion		10,956,000
Other noncurrent liabilities		1,005,000
Total liabilities assumed		17,029,000
Net identifiable assets acquired		213,722,000
Goodwill	$ 2,183,000	2,183,000
Total estimated fair value of the acquisition		$ 215,905,000