Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value Quantitative Information (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Foreclosed Assets Held for Sale [Member] Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2014 Collateral Dependent [Member] Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2014 Collateral Dependent [Member] Fair Value, Inputs, Level 3 [Member] Minimum [Member]	Jun. 30, 2014 Collateral Dependent [Member] Fair Value, Inputs, Level 3 [Member] Maximum [Member]	Jun. 30, 2014 Collateral Dependent [Member] Fair Value, Inputs, Level 3 [Member] Weighted Average [Member]	Jun. 30, 2014 Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, fair value	$ 8,866	$ 16,171		$ 7,069
Valuation technique			Market Comparable	Market Comparable				Discounted cash flow
Unobservable input			Discount to reflect realizable value	Discount to reflect realizable value				Discount rate
Range (weighted average)			0.00%		0.00%	38.00%	(12.00%)	0.00%