Note 5 - Other Revenues (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Number of Skilled Nursing Centers	68		68
Insurance Services Revenue, Total	$ 1,015,000	$ 1,291,000	$ 3,497,000	$ 3,832,000
Workers Compensation Revenue [Member]
Insurance Services Revenue, Total	496,000	780,000	1,939,000	2,298,000
Professional Liability Insurance [Member]
Insurance Services Revenue, Total	$ 519,000	511,000	$ 1,558,000	1,534,000
National [Member]
Number of Skilled Nursing Centers	5		5
Property Management Fee Revenue	$ 1,029,000	$ 970,000	$ 3,012,000	$ 2,806,000
FLORIDA
Number of Skilled Nursing Centers	4		4