Note 7 - Mortgages and Other Financing Receivables (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	14
Mortgage Loans on Real Estate (in Dollars)	$ 23.5
Paid Off [Member]
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	2
Mortgage Loans on Real Estate (in Dollars)	$ 6.5
Minimum [Member]
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Interest Rate	7.97%
Maximum [Member]
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Interest Rate	8.10%