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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |
Nonaccrual Designation as Impaired Threshold | $ 250 |  |
Threshold period for considering loans as special mention or classified | 75 days |  |
Financing Receivable, Modifications, Recorded Investment | 7,152 | 7,423 | 7,043
Financing Receivable Modifications Impairment Accrued | $ 30 |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 0 | 4 |
Special Mention [Member] |  |  |
Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |
Increase in Percentage of Allocation Loans Rated Special Mention | 50.00% |  |
Classified Loans [Member] |  |  |
Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |
Increase in Percentage of Allocation Loans Rated Classified | 100.00% |  |

X
- Definition Represents the amount of investment in troubled debt restructures that exceeds fair value, as determined by the impairment measurement, as of the end of the period. + References No definition available. + Details
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- Definition Increase in the percentage of allocation for loans rated classified. + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953682-111524 + Details
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