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Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Nonperforming Financial Instruments [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | $ 5,444,000 | $ 29,434,000
Total nonperforming loans | 5,444,000 | 29,434,000
Originated Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Nonperforming Financial Instruments [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Nonaccrual loans | 1,954,000 | 26,049,000
Total nonperforming loans | 1,954,000 | 26,049,000
Total nonperforming loans | 1,954,000 | 26,049,000
Acquired Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 5,000 | 26,000
Acquired Loan [Member] | Nonperforming Financial Instruments [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 5,000 | 26,000
Nonaccrual loans | 3,485,000 | 3,359,000
Total nonperforming loans | 3,490,000 | 3,385,000
Total nonperforming loans | 3,490,000 | 3,385,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 2,646,000 | 25,234,000
Total nonperforming loans | 2,646,000 | 25,234,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Commercial and Industrial [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 458,000 | 6,478,000
Total nonperforming loans | 458,000 | 6,478,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 155,000 | 209,000
Total nonperforming loans | 155,000 | 209,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Real Estate Owner Occupied Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 1,797,000 | 18,063,000
Total nonperforming loans | 1,797,000 | 18,063,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 79,000 | 378,000
Total nonperforming loans | 79,000 | 378,000
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 157,000 | 106,000
Total nonperforming loans | 157,000 | 106,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 2,798,000 | 4,200,000
Total nonperforming loans | 2,798,000 | 4,200,000
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Home Equity and Other [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 771,000 | 800,000
Total nonperforming loans | 771,000 | 800,000
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | 1-4 Family Mortgages [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Total nonperforming loans | 2,027,000 | 3,400,000
Total nonperforming loans | 2,027,000 | 3,400,000
Retail Portfolio Segment [Member] | Originated Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Originated Loan [Member] | 1-4 Family Mortgages [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 5,000 | 26,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | 5,000 | 26,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | 1-4 Family Mortgages [Member] |  |
Note 4 - Loans and Allowance for Loan Losses (Details) - Nonperforming Loans [Line Items] |  |
Loans past due 90 days or more still accruing interest | $ 0 | $ 0

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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524 + Details
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