Note 18 - Fair Value of Financial Instruments (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 18 - Fair Value of Financial Instruments (Details) [Line Items]
Financial Assets At Fair Value Option	$ 32,600,000
Financial Liabilities At Fair Value Option	28,800,000
Financial Assets, Fair Value Option Election During Period	5,000,000
Proceeds From Sale of Financial Assets	6,200,000	8,100,000
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(2,568,000)	(2,521,000)	55,000
Financial Liabilites At Fair Value Option, Contractual Principal	61,900,000	61,900,000
Financial Liabilities At Fair Value Option, Accrued Interest Payable	100,000	100,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3		6,100,000
Nonaccruing Collateral Dependent Loans - Percent Of The Appraised Or Internally Estimated Value Of The Property [Member]
Note 18 - Fair Value of Financial Instruments (Details) [Line Items]
Fair Value Inputs, Discount Rate	85.00%
Interest Rate Swaps [Member]
Note 18 - Fair Value of Financial Instruments (Details) [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ (4,000,000)	$ 3,600,000	$ (2,300,000)