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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Summary of Ratios for Allowance for Loan Losses | 3 Months Ended | 12 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Summary of Ratios for Allowance for Loan Losses [Abstract] |  |  |  |  |  |
Ratio of allowance for loan losses to the end of period loans, net of unearned income and deferred fees | 1.41% |  | 1.44% |  | 1.38% |
Ratio of net charge-offs to average loans, net of unearned income and deferred fees(1) | 0.02% | [1] | 0.50% | [1] | 0.28% | [1]
[1] | Net charge-offs are on an annualized basis.

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- Definition Represents ratio of allowance for loan losses to the end of period loans, net of unearned income and deferred fees. + References No definition available. + Details
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- Definition Represents ratio of net charge-offs to average loans, net of unearned income and deferred fees. + References No definition available. + Details
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- Details
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