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Note 3 - Loans and Allowance for Loan Losses - Activity for Troubled Debt Restructurings (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |  |  |
Beginning Balance | $ 1,982,000 | $ 1,537,000 | $ 2,989,000 | $ 1,503,000
Charge-Offs | 0 | 0 | (230,000) | 0
Payments | (53,000) | (1,537,000) | (935,000) | (1,662,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 496,000 | 2,775,000 | 601,000 | 2,934,000
Ending Balance | 2,425,000 | 2,775,000 | 2,425,000 | 2,775,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Beginning Balance | 338,000 | 959,000 | 383,000 | 1,488,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (109,000) | (25,000) | (154,000) | (554,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | 0
Ending Balance | 229,000 | 934,000 | 229,000 | 934,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 4,548,000 | 879,000 | 1,599,000 | 906,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (2,764,000) | (25,000) | (3,619,000) | (52,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 804,000 | 3,804,000 | 804,000
Ending Balance | 1,784,000 | 1,658,000 | 1,784,000 | 1,658,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 0 | 4,551,000 | 0 | 5,110,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | 0 | (20,000) | 0 | (143,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | (3,967,000) | 0 | (4,403,000)
Ending Balance | 0 | 564,000 | 0 | 564,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |  |
Beginning Balance | 0 | 291,000 | 0 | 716,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | 0 | (160,000) | 0 | (273,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | (312,000)
Ending Balance | 0 | 131,000 | 0 | 131,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |  |  |
Beginning Balance | 716,000 | 922,000 | 1,001,000 | 1,125,000
Charge-Offs | 0 | 0 | (275,000) | 0
Payments | (22,000) | (46,000) | (32,000) | (279,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 116,000 | 0 | 146,000
Ending Balance | 694,000 | 992,000 | 694,000 | 992,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Beginning Balance | 0 | 0 | 0 | 0
Charge-Offs | 0 | 0 | 0 | 0
Payments | 0 | 0 | 0 | 0
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 33,000 | 0 | 33,000
Ending Balance | 0 | 33,000 | 0 | 33,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 2,007,000 | 996,000 | 427,000 | 900,000
Charge-Offs | 0 | 0 | 0 | (12,000)
Payments | (1,614,000) | (16,000) | (1,633,000) | (16,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 1,599,000 | 108,000
Ending Balance | 393,000 | 980,000 | 393,000 | 980,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 232,000 | 583,000 | 237,000 | 728,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (7,000) | (39,000) | (12,000) | (184,000)
Transfers to ORE | 0 | (291,000) | 0 | (291,000)
Net Additions/Deletions | 0 | 661,000 | 0 | 661,000
Ending Balance | 225,000 | 914,000 | 225,000 | 914,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |  |
Beginning Balance | 36,000 | 68,000 | 41,000 | 60,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (4,000) | (5,000) | (9,000) | (5,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | 8,000
Ending Balance | 32,000 | 63,000 | 32,000 | 63,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |  |  |
Beginning Balance | 1,169,000 | 706,000 | 1,127,000 | 385,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (150,000) | (55,000) | (158,000) | (55,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 399,000 | 50,000 | 720,000
Ending Balance | 1,019,000 | 1,050,000 | 1,019,000 | 1,050,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |  |  |
Beginning Balance | 144,000 | 154,000 | 146,000 | 157,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (1,000) | (3,000) | (3,000) | (6,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | 0
Ending Balance | 143,000 | 151,000 | 143,000 | 151,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |  |  |
Beginning Balance | 240,000 | 206,000 | 219,000 | 208,000
Charge-Offs | (15,000) | (25,000) | (30,000) | (25,000)
Payments | (36,000) | (32,000) | (37,000) | (41,000)
Transfers to ORE | 0 | 0 | (82,000) | 0
Net Additions/Deletions | 113,000 | 53,000 | 232,000 | 60,000
Ending Balance | 302,000 | 202,000 | 302,000 | 202,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |  |  |
Beginning Balance | 384,000 | 376,000 | 393,000 | 326,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (8,000) | (3,000) | (17,000) | (7,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 24,000 | 137,000 | 24,000 | 191,000
Ending Balance | $ 400,000 | $ 510,000 | $ 400,000 | $ 510,000

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