Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	$ 67,097	$ 51,661
Grade One [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	1,056	3,462
Grade Two [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	1,109	208
Grade Three [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	8,018	7,210
Grade Four [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	47,785	28,293
Grade W [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	5,866	7,330
Grade Five [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	841	677
Grade Six [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	2,057	3,701
Grade Seven [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	304	732
Not Risk Rated [Member]
Note 5 - Loans (Details) - Internal Credit Quality Indicators on Commercial and Industrial [Line Items]
Commercial and Industrial	$ 61	$ 48