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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Summary of Ratios for Allowance for Loan Losses | 6 Months Ended | 12 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012
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 | 1.35% |  | 1.39% |  | 1.41% |
Ratio of net charge-offs to average loans, net of unearned income and deferred fees(1) | 0.49% | [1] | 0.57% | [1] | 0.49% | [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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