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Note 11 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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Note 11 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | $ 21,152,000 | [1] | $ 23,405,000 | [1]
Foreclosed assets | 2,350,000 | [1] | 2,851,000 | [1]
Total | 23,502,000 |  | 26,256,000 |
Fair Value, Inputs, Level 1 [Member] |  |  |  |
Note 11 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 0 | [1] | 0 | [1]
Foreclosed assets | 0 | [1] | 0 | [1]
Total | 0 |  | 0 |
Fair Value, Inputs, Level 2 [Member] |  |  |  |
Note 11 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 0 | [1] | 0 | [1]
Foreclosed assets | 0 | [1] | 0 | [1]
Total | 0 |  | 0 |
Fair Value, Inputs, Level 3 [Member] |  |  |  |
Note 11 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |  |
Impaired loans | 21,152,000 | [1] | 23,405,000 | [1]
Foreclosed assets | 2,350,000 | [1] | 2,851,000 | [1]
Total | $ 23,502,000 |  | $ 26,256,000 |
[1] | Represents carrying value and related write-downs for which adjustments are based on the estimated value of the property or other assets.

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