Note 5 - Other Revenues (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Number of Assisted Living Facilities	24		24
Number of Skilled Nursing Centers	76		76
Insurance Services Revenue, Total	$ 1,294,000	$ 1,528,000	$ 4,074,000	$ 4,667,000
Workers Compensation Revenue [Member]
Insurance Services Revenue, Total	779,000	866,000	2,441,000	2,656,000
Professional Liability Insurance [Member]
Insurance Services Revenue, Total	$ 515,000	662,000	$ 1,633,000	2,011,000
National [Member]
Number of Skilled Nursing Centers	5		5
Property Management Fee Revenue	$ 920,000	$ 1,543,000	$ 3,399,000	$ 4,748,000
FLORIDA
Number of Assisted Living Facilities	4		4