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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Restructured Loans that Defaulted (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Consumer Real Estate |  |  |  |
Number of contracts | 0 | 5 | 0 | 6
Principal balance |  | $ 941 |  | $ 1,134
Consumer Real Estate Loans [Member] | Closed-end First Liens [Member] |  |  |  |
Consumer Real Estate |  |  |  |
Number of contracts |  | 1 |  | 1
Principal balance |  | 74 |  | 74
Consumer Real Estate Loans [Member] | Closed-end Junior Liens [Member] |  |  |  |
Consumer Real Estate |  |  |  |
Number of contracts |  | 1 |  | 1
Principal balance |  | 60 |  | 60
Commercial Real Estate Loans [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |  |
Consumer Real Estate |  |  |  |
Number of contracts |  | 2 |  | 3
Principal balance |  | 670 |  | 863
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] |  |  |  |
Consumer Real Estate |  |  |  |
Number of contracts |  | 1 |  | 1
Principal balance |  | $ 137 |  | $ 137

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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=35738203&loc=SL6953682-111524 + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, 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=35738203&loc=SL6953682-111524 + Details
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