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Note 4 - Loans and Related Allowance for Loan Losses (Details) - Troubled Debt Restructurings that Subsequently Defaulted (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Commercial and Industrial [Member] |  |  |
Note 4 - Loans and Related Allowance for Loan Losses (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items] |  |  |
Number of Contracts | 5 | 6 | 3
Recorded Investment (in Dollars) | $ 574 | $ 256 | $ 134
Commercial Real Estate Mortgage [Member] |  |  |
Note 4 - Loans and Related Allowance for Loan Losses (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items] |  |  |
Number of Contracts | 1 |  |
Recorded Investment (in Dollars) | 190 |  |
Real Estate Construction [Member] |  |  |
Note 4 - Loans and Related Allowance for Loan Losses (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items] |  |  |
Number of Contracts |  | 1 |
Recorded Investment (in Dollars) |  | 3,622 |
Residential Real Estate Mortgage [Member] |  |  |
Note 4 - Loans and Related Allowance for Loan Losses (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items] |  |  |
Number of Contracts |  | 2 |
Recorded Investment (in Dollars) |  | 89 |
Consumer Installment [Member] |  |  |
Note 4 - Loans and Related Allowance for Loan Losses (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items] |  |  |
Number of Contracts |  | 1 | 2
Recorded Investment (in Dollars) |  | $ 5 | $ 28

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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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- 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=28368275&loc=SL6953682-111524 + Details
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