Note 3 - Other Revenues (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Annual Management Fees At Time Of Settlement	$ 3,200,000
Settlement Impact on Results of Operations and Cash Flows	4,000,000
National [Member]
Management Fees Revenue	912,000	861,000
Other Nursing Centers [Member]
Management Fees Revenue	1,360,000	1,406,000
Elder Trust [Member]
Annual Management Fees At Time Of Settlement	3,200,000
Centers in Missouri and Kansas [Member]
Annual Management Fees At Time Of Settlement	2,200,000
Settlement Impact on Results of Operations and Cash Flows	1,500,000
Rental Income [Member]
Annual Management Fees At Time Of Settlement	2,200,000
Management and Accounting Services Fees [Member]
Annual Management Fees At Time Of Settlement	$ 1,400,000