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Note 3 - Loans and Allowance for Loan Losses - Nonperforming Loans (Details) - USD ($) | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
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 Residential Rental 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 Residential Rental 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 | 3,505,000 | 4,141,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Total nonperforming loans | 800,000 | 1,108,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Total nonperforming loans | 2,000 | 17,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Total nonperforming loans | 0 | 0
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Total nonperforming loans | 642,000 | 950,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Total nonperforming loans | 26,000 | 0
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Total nonperforming loans | 130,000 | 141,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] |  |
Total nonperforming loans | 2,705,000 | 3,033,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |
Total nonperforming loans | 419,000 | 454,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Total nonperforming loans | 2,286,000 | 2,579,000
Nonperforming Financial Instruments [Member] | Originated Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Nonaccrual loans | 723,000 | 803,000
Total nonperforming loans | 723,000 | 803,000
Nonperforming Financial Instruments [Member] | Acquired Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Nonaccrual loans | 2,782,000 | 3,338,000
Total nonperforming loans | $ 2,782,000 | $ 3,338,000

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