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Note 21 - Parent Company - Condensed Statement of Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Gain on sale of investment securities |  |  |  |  |  |  |  |  | $ 886 | $ 303 | $ 323
Total income | $ 11,564 | $ 11,330 | $ 10,902 | $ 10,199 | $ 7,821 | $ 7,420 | $ 7,405 | $ 7,348 | 43,995 | 29,994 | 28,595
Interest expense | 1,762 | 1,818 | 1,625 | 1,442 | 1,073 | 1,026 | 1,066 | 1,025 | 6,647 | 4,190 | 3,820
Income before income tax benefit | 4,073 | 3,376 | 3,392 | 2,836 | 2,436 | 1,604 | 2,492 | 1,789 | 13,677 | 8,321 | 8,427
Income tax benefit | 1,687 | 914 | 885 | 736 | 776 | 261 | 566 | 302 | 4,222 | 1,905 | 1,562
NET INCOME | $ 2,386 | $ 2,462 | $ 2,507 | $ 2,100 | $ 1,660 | $ 1,343 | $ 1,926 | $ 1,487 | 9,455 | 6,416 | 6,865
Comprehensive Income |  |  |  |  |  |  |  |  | 9,345 | 5,222 | 6,712
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends from subsidiary bank |  |  |  |  |  |  |  |  | 10,425 | 3,400 | 4,023
Gain on sale of investment securities |  |  |  |  |  |  |  |  | 488 |  |
Other |  |  |  |  |  |  |  |  | 80 | 24 | 19
Total income |  |  |  |  |  |  |  |  | 10,993 | 3,424 | 4,042
Interest expense |  |  |  |  |  |  |  |  | 460 | 366 | 290
Other |  |  |  |  |  |  |  |  | 2,091 | 1,856 | 860
Total expenses |  |  |  |  |  |  |  |  | 2,551 | 2,222 | 1,150
Income before income tax benefit |  |  |  |  |  |  |  |  | 8,442 | 1,202 | 2,892
Income tax benefit |  |  |  |  |  |  |  |  | (673) | (561) | (386)
Income before equity in undistributed net income of subsidiaries |  |  |  |  |  |  |  |  | 9,115 | 1,763 | 3,278
Equity in undistributed net income of subsidiaries |  |  |  |  |  |  |  |  | 340 | 4,653 | 3,587
NET INCOME |  |  |  |  |  |  |  |  | 9,455 | 6,416 | 6,865
Comprehensive Income |  |  |  |  |  |  |  |  | $ 9,345 | $ 5,222 | $ 6,712

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
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- Definition Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21D -URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080555-108585 + Details
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- Definition The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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