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Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | $ 8,227 | $ 8,349 |  |
Threshold period for considering loans as special mention or classified | 75 days |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | (1,820) | (2,953) | (2,628) | [1]
Financing Receivable Modifications Impairment Accrued | 11 | 210 |  |
Portion Based on Historical Loss Rates [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 2,795 |  |  |
Portion Based on Historical Loss Rates Under Former Methodology [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 2,173 |  |  |
Portion Based on Historical Loss Rates Applied to Non-classified Loans [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 2,158 |  |  |
Portion Based on Historical Loss Rates Applied to Classified Loans [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 637 |  |  |
Consumer Real Estate [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 71 | 109 |  |
Commercial Real Estate Loans [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Other Real Estate, Additions | 193 |  |  |
Financing Receivable, Allowance for Credit Losses | 349 |  |  |
Consumer Real Estate and Commercial Real Estate Loan [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | $ 263 |  |  |
Special Mention [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Increase in Percentage of Allocation Loans Rated Special Mention | 50.00% |  |  |
Classified Loans [Member] |  |  |  |
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items] |  |  |  |
Increase in Percentage of Allocation Loans Rated Classified | 100.00% |  |  |
[1] | Segments reported for December 31, 2011 are presented using the segmentation method in effect for 2011. The Company began reporting under revised segments in 2012.

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- Definition Represents the amount of investment in troubled debt restructures that exceeds fair value, as determined by the impairment measurement, as of the end of the period. + References No definition available. + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Definition Additions of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
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