Note 7 - Fair Value Measurements (Details) - Fair Value Quantitative Information (Fair Value, Inputs, Level 3 [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Discounted Appraised Value [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value (in Dollars)	$ 5	$ 306
Fair value (in Dollars)	5	306
Discounted Appraised Value [Member] | Impaired Loans [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	20.00%	10.00%
Unobservable input, selling cost	(20.00%)	(10.00%)
Unobservable input, discount for lack of marketability and age of appraisal	9.00%	32.00%
Unobservable input, discount for lack of marketability and age of appraisal	(9.00%)	(32.00%)
Unobservable input, internal evaluations	20.00%	10.00%
Unobservable input, internal evaluations	(20.00%)	(10.00%)
Discounted Appraised Value [Member] | Impaired Loans [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	20.00%	10.00%
Unobservable input, selling cost	(20.00%)	(10.00%)
Unobservable input, discount for lack of marketability and age of appraisal	9.00%	32.00%
Unobservable input, discount for lack of marketability and age of appraisal	(9.00%)	(32.00%)
Unobservable input, internal evaluations	20.00%	10.00%
Unobservable input, internal evaluations	(20.00%)	(10.00%)
Discounted Appraised Value [Member] | Impaired Loans [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	20.00%	10.00%
Unobservable input, selling cost	(20.00%)	(10.00%)
Unobservable input, discount for lack of marketability and age of appraisal	9.00%	32.00%
Unobservable input, discount for lack of marketability and age of appraisal	(9.00%)	(32.00%)
Unobservable input, internal evaluations	20.00%	10.00%
Unobservable input, internal evaluations	(20.00%)	(10.00%)
Discounted Appraised Value [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value (in Dollars)	1,458	1,458
Fair value (in Dollars)	1,458	1,458
Discounted Appraised Value [Member] | Other Real Estate Owned [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	0.00%	0.00%
Unobservable input, selling cost	0.00%	0.00%
Unobservable input, discount for lack of marketability and age of appraisal	4.00%	0.00%
Unobservable input, discount for lack of marketability and age of appraisal	(4.00%)	0.00%
Unobservable input, internal evaluations	0.00%	0.00%
Unobservable input, internal evaluations	0.00%	0.00%
Discounted Appraised Value [Member] | Other Real Estate Owned [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	6.00%	6.00%
Unobservable input, selling cost	(6.00%)	(6.00%)
Unobservable input, discount for lack of marketability and age of appraisal	25.00%	25.00%
Unobservable input, discount for lack of marketability and age of appraisal	(25.00%)	(25.00%)
Unobservable input, internal evaluations	6.00%	6.00%
Unobservable input, internal evaluations	(6.00%)	(6.00%)
Discounted Appraised Value [Member] | Other Real Estate Owned [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	5.00%	5.00%
Unobservable input, selling cost	(5.00%)	(5.00%)
Unobservable input, discount for lack of marketability and age of appraisal	9.00%	9.00%
Unobservable input, discount for lack of marketability and age of appraisal	(9.00%)	(9.00%)
Unobservable input, internal evaluations	5.00%	5.00%
Unobservable input, internal evaluations	(5.00%)	(5.00%)
Internal Evaluations [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value (in Dollars)	1,972	2,940
Fair value (in Dollars)	$ 1,972	$ 2,940
Internal Evaluations [Member] | Other Real Estate Owned [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	10.00%	10.00%
Unobservable input, selling cost	(10.00%)	(10.00%)
Unobservable input, internal evaluations	10.00%	10.00%
Unobservable input, internal evaluations	(10.00%)	(10.00%)
Internal Evaluations [Member] | Other Real Estate Owned [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	10.00%	10.00%
Unobservable input, selling cost	(10.00%)	(10.00%)
Unobservable input, internal evaluations	10.00%	10.00%
Unobservable input, internal evaluations	(10.00%)	(10.00%)
Internal Evaluations [Member] | Other Real Estate Owned [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable input, selling cost	10.00%	10.00%
Unobservable input, selling cost	(10.00%)	(10.00%)
Unobservable input, internal evaluations	10.00%	10.00%
Unobservable input, internal evaluations	(10.00%)	(10.00%)