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Note 3 - Acquisition Activity - Pro Forma Financial Information (Details) - The Peoples Bank [Member] - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Summary of Operations |  |  |  |
Net interest income | $ 9,725 | $ 9,045 | $ 28,565 | $ 26,609
Provision for loan and lease losses | 789 | 373 | 2,149 | 1,464
Net interest income after provision for loan and lease losses | 8,936 | 8,672 | 26,416 | 25,145
Non-interest income | 2,166 | 1,292 | 4,604 | 3,555
Non-interest expense | 10,175 | 8,178 | 26,914 | 23,971
Income before income taxes | 927 | 1,786 | 4,106 | 4,729
Provision for income taxes | 370 | 530 | 1,072 | 1,433
Net income | $ 557 | $ 1,256 | $ 3,034 | $ 3,296
Basic net income per share (in dollars per share) | $ 0.09 | $ 0.20 | $ 0.47 | $ 0.52
Diluted net income per share (in dollars per share) | $ 0.08 | $ 0.19 | $ 0.45 | $ 0.49

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