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Note 3 - Loans and Allowance for Loan Losses - Activity for Troubled Debt Restructurings (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Beginning Balance | $ 2,989,000 | $ 1,503,000
Charge-Offs | (230,000) | 0
Payments | (882,000) | (125,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 105,000 | 159,000
Ending Balance | 1,982,000 | 1,537,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Beginning Balance | 383,000 | 1,488,000
Charge-Offs | 0 | 0
Payments | (45,000) | (529,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 0
Ending Balance | 338,000 | 959,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Beginning Balance | 1,599,000 | 906,000
Charge-Offs | 0 | 0
Payments | (855,000) | (27,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 3,804,000 | 0
Ending Balance | 4,548,000 | 879,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Beginning Balance | 0 | 5,110,000
Charge-Offs | 0 | 0
Payments | 0 | (123,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | (436,000)
Ending Balance | 0 | 4,551,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Beginning Balance | 0 | 716,000
Charge-Offs | 0 | 0
Payments | 0 | (113,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | (312,000)
Ending Balance | 0 | 291,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Beginning Balance | 1,001,000 | 1,125,000
Charge-Offs | (275,000) | 0
Payments | (10,000) | (233,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 30,000
Ending Balance | 716,000 | 922,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Beginning Balance | 0 | 0
Charge-Offs | 0 | 0
Payments | 0 | 0
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 0
Ending Balance | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Beginning Balance | 427,000 | 900,000
Charge-Offs | 0 | (12,000)
Payments | (17,000) | 0
Transfers to ORE | 0 | 0
Net Additions/Deletions | 1,597,000 | 108,000
Ending Balance | 2,007,000 | 996,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Beginning Balance | 237,000 | 728,000
Charge-Offs | 0 | 0
Payments | (5,000) | (145,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 0
Ending Balance | 232,000 | 583,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Beginning Balance | 41,000 | 60,000
Charge-Offs | 0 | 0
Payments | (5,000) | 0
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 8,000
Ending Balance | 36,000 | 68,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Beginning Balance | 1,127,000 | 385,000
Charge-Offs | 0 | 0
Payments | (8,000) | 0
Transfers to ORE | 0 | 0
Net Additions/Deletions | 50,000 | 321,000
Ending Balance | 1,169,000 | 706,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |
Beginning Balance | 146,000 | 157,000
Charge-Offs | 0 | 0
Payments | (2,000) | (3,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 0
Ending Balance | 144,000 | 154,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Beginning Balance | 219,000 | 208,000
Charge-Offs | (15,000) | 0
Payments | (1,000) | (9,000)
Transfers to ORE | (82,000) | 0
Net Additions/Deletions | 119,000 | 7,000
Ending Balance | 240,000 | 206,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |
Beginning Balance | 393,000 | 326,000
Charge-Offs | 0 | 0
Payments | (9,000) | (4,000)
Transfers to ORE | 0 | 0
Net Additions/Deletions | 0 | 54,000
Ending Balance | $ 384,000 | $ 376,000

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- Definition A financing receivable which had its terms modified during the period and is now considered a troubled restructuring. + References No definition available. + Details
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- Definition Reflects the amount of the charge-off related to a troubled debt restructuring. + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
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