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Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]    
Less Than 12 Months - Fair Value $ 1,432 $ 6,743
Less Than 12 Months - Unrecognized Loss (53) (307)
12 Months or More - Fair Value 2,785 1,142
12 Months or More - Unrecognized Loss (167) (114)
Fair Value 4,217 7,885
Unrecognized Loss (220) (421)
US States and Political Subdivisions Debt Securities [Member]
   
Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]    
Less Than 12 Months - Fair Value 1,432 6,743
Less Than 12 Months - Unrecognized Loss (53) (307)
12 Months or More - Fair Value 2,785 1,142
12 Months or More - Unrecognized Loss (167) (114)
Fair Value 4,217 7,885
Unrecognized Loss $ (220) $ (421)