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Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]    
Less Than 12 Months - Fair Value $ 1,881 $ 6,743
Less Than 12 Months - Unrecognized Loss (65) (307)
12 Months or More - Fair Value 2,778 1,142
12 Months or More - Unrecognized Loss (182) (114)
Fair Value 4,659 7,885
Unrecognized Loss (247) (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 1,881 6,743
Less Than 12 Months - Unrecognized Loss (65) (307)
12 Months or More - Fair Value 2,778 1,142
12 Months or More - Unrecognized Loss (182) (114)
Fair Value 4,659 7,885
Unrecognized Loss $ (247) $ (421)