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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Troubled Debt Restructurings $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($)
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 | 1 | 2 | 1
Pre-Modification Outstanding Recorded Investment (in Dollars) | $ 64 | $ 7 | $ 111 | $ 7
Post-Modification Outstanding Recorded Investment (in Dollars) | $ 64 | $ 7 | $ 111 | $ 7
Commercial and Industrial [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts |  | 1 | 1 | 1
Commercial and Industrial [Member] | Other Restructurings [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 |  | 1 |
Real Estate Construction Porfolio Segment [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 |  | 1 |
Pre-Modification Outstanding Recorded Investment (in Dollars) | $ 181 |  | $ 181 |
Post-Modification Outstanding Recorded Investment (in Dollars) | $ 181 |  | $ 181 |
Real Estate Construction Porfolio Segment [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 |  | 1 |
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 |  | 2 | 1
Pre-Modification Outstanding Recorded Investment (in Dollars) | $ 59 |  | $ 235 | $ 49
Post-Modification Outstanding Recorded Investment (in Dollars) | $ 59 |  | $ 254 | $ 49
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | 1 |  | 1 | 1
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] | Other Restructurings [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts |  |  | 1 |
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts |  | 1 |  | 1
Pre-Modification Outstanding Recorded Investment (in Dollars) |  | $ 73 |  | $ 73
Post-Modification Outstanding Recorded Investment (in Dollars) |  | $ 73 |  | $ 73
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts |  | 1 |  | 1
Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts |  |  |  | 1
Pre-Modification Outstanding Recorded Investment (in Dollars) |  |  |  | $ 7
Post-Modification Outstanding Recorded Investment (in Dollars) |  |  |  | $ 7
Consumer Portfolio Segment [Member] | Other Restructurings [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts |  |  |  | 1

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