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Note 3 - Loans and Allowance for Loan Losses - Activity for Troubled Debt Restructurings (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |  |  |
Beginning Balance | $ 2,425,000 | $ 2,775,000 | $ 2,989,000 | $ 1,503,000
Charge-Offs | 0 | 0 | (230,000) | 0
Payments | 0 | (572,000) | (934,000) | (1,950,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 3,315,000 | 858,000 | 3,915,000 | 3,508,000
Ending Balance | 5,740,000 | 3,061,000 | 5,740,000 | 3,061,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Beginning Balance | 229,000 | 934,000 | 383,000 | 1,488,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (207,000) | (276,000) | (361,000) | (830,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | 0
Ending Balance | 22,000 | 658,000 | 22,000 | 658,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 1,784,000 | 1,658,000 | 1,599,000 | 906,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (439,000) | (144,000) | (4,057,000) | (196,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 2,278,000 | 477,000 | 6,081,000 | 1,281,000
Ending Balance | 3,623,000 | 1,991,000 | 3,623,000 | 1,991,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 0 | 564,000 | 0 | 5,110,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | 0 | (24,000) | 0 | (167,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | (4,403,000)
Ending Balance | 0 | 540,000 | 0 | 540,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |  |
Beginning Balance | 0 | 131,000 | 0 | 716,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | 0 | (131,000) | 0 | (404,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | (312,000)
Ending Balance | 0 | 0 | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |  |  |
Beginning Balance | 694,000 | 992,000 | 1,001,000 | 1,125,000
Charge-Offs | 0 | 0 | (275,000) | 0
Payments | (36,000) | (239,000) | (69,000) | (518,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | (80,000) | 280,000 | (79,000) | 426,000
Ending Balance | 578,000 | 1,033,000 | 578,000 | 1,033,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Beginning Balance | 0 | 33,000 | 0 | 0
Charge-Offs | 0 | 0 | 0 | 0
Payments | 0 | (4,000) | 0 | (4,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | 33,000
Ending Balance | 0 | 29,000 | 0 | 29,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 393,000 | 980,000 | 427,000 | 900,000
Charge-Offs | 0 | (227,000) | 0 | (239,000)
Payments | (15,000) | (253,000) | (1,645,000) | (161,000)
Transfers to ORE | (93,000) | 0 | (92,000) | 0
Net Additions/Deletions | 151,000 | 0 | 1,746,000 | 0
Ending Balance | 436,000 | 500,000 | 436,000 | 500,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Beginning Balance | 225,000 | 914,000 | 237,000 | 728,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (8,000) | (33,000) | (20,000) | (218,000)
Transfers to ORE | 0 | 0 | 0 | (291,000)
Net Additions/Deletions | 0 | 62,000 | 0 | 724,000
Ending Balance | 217,000 | 943,000 | 217,000 | 943,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |  |
Beginning Balance | 32,000 | 63,000 | 41,000 | 60,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (3,000) | (19,000) | (12,000) | (16,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 1,064,000 | 0 | 1,064,000
Ending Balance | 29,000 | 1,108,000 | 29,000 | 1,108,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |  |  |
Beginning Balance | 1,019,000 | 1,050,000 | 1,127,000 | 385,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (81,000) | (17,000) | (238,000) | (69,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 69,000 | 49,000 | 786,000
Ending Balance | 938,000 | 1,102,000 | 938,000 | 1,102,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |  |  |
Beginning Balance | 143,000 | 151,000 | 146,000 | 157,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (1,000) | (3,000) | (4,000) | (9,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 0 | 0 | 0 | 0
Ending Balance | 142,000 | 148,000 | 142,000 | 148,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |  |  |
Beginning Balance | 302,000 | 202,000 | 219,000 | 208,000
Charge-Offs | 0 | 0 | (30,000) | (25,000)
Payments | (2,000) | (8,000) | (40,000) | (49,000)
Transfers to ORE | 0 | 0 | (82,000) | 0
Net Additions/Deletions | 0 | 92,000 | 233,000 | 152,000
Ending Balance | 300,000 | 286,000 | 300,000 | 286,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |  |  |
Beginning Balance | 400,000 | 510,000 | 393,000 | 326,000
Charge-Offs | 0 | 0 | 0 | 0
Payments | (9,000) | (6,000) | (26,000) | (12,000)
Transfers to ORE | 0 | 0 | 0 | 0
Net Additions/Deletions | 13,000 | 50,000 | 37,000 | 240,000
Ending Balance | $ 404,000 | $ 554,000 | $ 404,000 | $ 554,000

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