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Note 13 - Condensed Financial Statements of Parent Company - Condensed Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income |  |  |
Realized securities gains, net | $ 14 | $ 232 | $ 33
Other income | 1,148 | 1,289 | 1,295
Expenses |  |  |
Income before income tax benefit and equity in undistributed net income of subsidiaries | 20,385 | 18,894 | 20,573
Applicable income tax benefit | 6,293 | 3,952 | 4,740
Net income | 14,092 | 14,942 | 15,833
Parent Company [Member] |  |  |
Income |  |  |
Dividends from subsidiaries | 8,141 | 9,421 | 7,930
Interest on securities – taxable |  | 2 | 3
Realized securities gains, net | 4 |  |
Other income | 1,018 | 987 | 1,208
Total income | 9,163 | 10,410 | 9,141
Expenses |  |  |
Other expenses | 1,986 | 1,992 | 2,051
Income before income tax benefit and equity in undistributed net income of subsidiaries | 7,177 | 8,418 | 7,090
Applicable income tax benefit | 383 | 628 | 210
Income before equity in undistributed net income of subsidiaries | 7,560 | 9,046 | 7,300
Equity in undistributed net income of subsidiaries | 6,532 | 5,896 | 8,533
Net income | $ 14,092 | $ 14,942 | $ 15,833

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