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Note 4 - Loans and Allowance for Loan Losses - Nonperforming Loans (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Originated Loan [Member] |  |
Loans past due 90 days or more still accruing interest | $ 0 | $ 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Retail Portfolio Segment [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Originated Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Retail Portfolio Segment [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Nonperforming Financial Instruments [Member] |  |
Total nonperforming loans | 5,939,000 | 5,444,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Total nonperforming loans | 3,181,000 | 2,646,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Total nonperforming loans | 2,296,000 | 458,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Total nonperforming loans | 95,000 | 155,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Total nonperforming loans | 285,000 | 1,797,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Total nonperforming loans | 488,000 | 79,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |
Total nonperforming loans | 17,000 | 157,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] |  |
Total nonperforming loans | 2,758,000 | 2,798,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |
Total nonperforming loans | 496,000 | 771,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Total nonperforming loans | 2,262,000 | 2,027,000
Nonperforming Financial Instruments [Member] | Originated Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Nonaccrual loans | 3,328,000 | 1,954,000
Total nonperforming loans | 3,328,000 | 1,954,000
Nonperforming Financial Instruments [Member] | Acquired Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 5,000
Nonaccrual loans | 2,611,000 | 3,485,000
Total nonperforming loans | $ 2,611,000 | $ 3,490,000

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