Note 7 - Mortgages and Other Financing Receivables (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	13
Mortgage Loans on Real Estate (in Dollars)	$ 22.7
Paid Off [Member]
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	3
Mortgage Loans on Real Estate (in Dollars)	$ 6.9
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	10.00%