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Note 4 - Loans and Allowance for Loan Losses (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Allowance for Loan and Lease Losses, Period Increase (Decrease) | $ (26,000) | $ (321,000)
Allowance for Loan and Lease Losses, Write-offs | 0 | 0
Provision for Loan and Lease Losses Increase (Decrease) |  | (871,000)
Change in Troubled Debt Restructurings | 1.90% |
Impaired Financing Receivable, Related Allowance | 2,325,000 | 2,498,000
Minimum Loan Balance for Loans Evaluated by Risk Categories | 500,000 |
Troubled Debt Restructurings [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Loans and Leases Receivable, Impaired, Commitment to Lend | 872,000 | 718,000
Troubled Debt Restructurings [Member] | Commercial and Industrial [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Proceeds from Collection of Loans Receivable | 154,000 |
Troubled Debt Restructurings Performing According to Modified Terms [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Percentage of Loan Portfolio | 98.00% | 98.00%
Troubled Debt Restructurings [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Increase (Decrease) in Other Loans | 235,000 |
Impaired Financing Receivable, Related Allowance | $ 1,485,000 | $ 1,511,000
Commercial and Industrial [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | 1 |
Unsecured [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |
Percentage of Loan Portfolio | 5.42% | 5.13%

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- Definition Amount of increase (decrease) to the expense related to estimated loss from loan and lease transactions. + References No definition available. + Details
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- Definition Amount of increase (decrease) of allowance reserve for credit loss. + 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) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
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- Definition Number of 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 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524 + Details
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- 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=28368275&loc=d3e5212-111524 + Details
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- Definition The increase (decrease) during the reporting period in loans that are classified as working capital and are not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554 + Details
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- Definition The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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