Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	$ 72,477	$ 73,078
Grade One [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	817	879
Grade Two [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	1,589	1,186
Grade Three [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	9,986	8,830
Grade Four [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	49,225	51,167
Grade W [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	5,351	5,151
Grade Five [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	1,195	2,361
Grade Six [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	3,899	2,923
Grade Seven [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	415	494
Not Risk Rated [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial		$ 87