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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Impaired Loans and Associated Reserves (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013
--- | --- | --- | ---
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | $ 15,464 |  | $ 12,985 |  |
Total Recorded Investment | 15,187 | [1] | 12,989 | [2] |
Recorded Investment for Which There is No Related Allowance | 9,223 | [1] | 10,635 | [2] |
Recorded Investment in for Which There is a Related Allowance | 5,964 | [1] | 2,354 | [2] |
Related Allowance | 296 |  | 624 |  | 631
Residential Closed End First Liens [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 392 | [3] | 440 | [3] |
Total Recorded Investment | 365 | [1],[3] | 442 | [2],[3] |
Recorded Investment for Which There is No Related Allowance | 168 | [1],[3] | 232 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 197 | [1],[3] | 210 | [2],[3] |
Related Allowance | 2 | [3] | 3 | [3] |
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 244 | [3] | 259 | [3] |
Total Recorded Investment | 244 | [1],[3] | 261 | [2],[3] |
Recorded Investment for Which There is No Related Allowance |  | [1],[3] |  | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 244 | [1],[3] | 261 | [2],[3] |
Related Allowance | 6 | [3] | 7 | [3] |
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 77 | [3] | 81 | [3] |
Total Recorded Investment | 77 | [1],[3] | 82 | [2],[3] |
Recorded Investment for Which There is No Related Allowance |  | [1],[3] | 82 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 77 | [1],[3] |  | [2],[3] |
Related Allowance | 5 | [3] |  | [3] |
Multifamily Real Estate [Member] | Commercial Real Estate Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 2,950 | [3] | 3,278 | [3] |
Total Recorded Investment | 2,794 | [1],[3] | 3,274 | [2],[3] |
Recorded Investment for Which There is No Related Allowance | 868 | [1],[3] | 3,274 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 1,926 | [1],[3] |  | [2],[3] |
Related Allowance | 224 | [3] |  | [3] |
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 5,036 | [3] | 5,643 | [3] |
Total Recorded Investment | 4,942 | [1],[3] | 5,645 | [2],[3] |
Recorded Investment for Which There is No Related Allowance | 4,483 | [1],[3] | 3,864 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 459 | [1],[3] | 1,781 | [2],[3] |
Related Allowance | 25 | [3] | 610 | [3] |
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 6,068 | [3] | 3,158 | [3] |
Total Recorded Investment | 6,068 | [1],[3] | 3,158 | [2],[3] |
Recorded Investment for Which There is No Related Allowance | 3,094 | [1],[3] | 3,158 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 2,974 | [1],[3] |  | [2],[3] |
Related Allowance | 32 | [3] |  | [3] |
Commercial and Industrial [Member] | Commercial Non Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance | 697 | [3] | 102 | [3] |
Total Recorded Investment | 697 | [1],[3] | 103 | [2],[3] |
Recorded Investment for Which There is No Related Allowance | 610 | [1],[3] | 1 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance | 87 | [1],[3] | 102 | [2],[3] |
Related Allowance | 2 | [3] | 4 | [3] |
Automobile [Member] | Consumer Non Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Principal Balance |  | [3] | 24 | [3] |
Total Recorded Investment |  | [1],[3] | 24 | [2],[3] |
Recorded Investment for Which There is No Related Allowance |  | [1],[3] | 24 | [2],[3] |
Recorded Investment in for Which There is a Related Allowance |  | [1],[3] |  | [2],[3] |
Related Allowance |  | [3] |  | [3] |
[1] | Recorded investment is net of charge-offs and interest paid while a loan is in nonaccrual status.
[2] | Recorded investment includes principal net of unearned interest and deferred fees and costs, and accrued interest.
[3] | Only classes with impaired loans are shown.

X
- Definition Amount of legal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References No definition available. + Details
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- Definition Legal balance of impaired financing receivables reduced by charge-offs and interest paid during nonaccrual period. + References No definition available. + Details
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- Details
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X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524 + Details
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X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524 + Details
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- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524 + Details
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