Note 4 - Other Revenues (Detail) (USD $)				12 Months Ended			300 Months Ended	12 Months Ended		36 Months Ended	132 Months Ended
	Dec. 31, 2012 Management and Accounting Services Fees [Member] National [Member]	Dec. 31, 2011 Management and Accounting Services Fees [Member] National [Member]	Dec. 31, 2010 Management and Accounting Services Fees [Member] National [Member]	Dec. 31, 2012 National [Member]	Dec. 31, 2011 National [Member]	Dec. 31, 2010 National [Member]	Dec. 31, 2012 National [Member]	Dec. 31, 2012 Other Nursing Centers [Member]	Dec. 31, 2011 Other Nursing Centers [Member]	Dec. 31, 2012 Other Nursing Centers [Member]	Dec. 31, 2012 Other Nursing Centers [Member]	Dec. 31, 2010 Other Nursing Centers [Member]
Management Fees Revenue				$ 3,397,000	$ 3,539,000	$ 3,982,000	$ 37,621,000	$ 5,660,000	$ 6,138,000	$ 4,753,000	$ 39,807,000
Unbilled Receivables, Current	$ 21,333,000	$ 21,289,000	$ 21,320,000					$ 8,505,000	$ 8,502,000	$ 8,505,000	$ 8,505,000	$ 8,889,000