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Note 13 - Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
(Net income in thousands) |  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Common shareholders |  | $ | 3,196 |  |  |  | 4,147 |  |  |  | 1,930 |
Divided by: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 3,904,052 |  |  |  | 3,894,222 |  |  |  | 3,953,281 |
Basic earnings per common share |  |  | 0.82 |  |  |  | 1.06 |  |  |  | 0.49 |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Common shareholders |  |  | 3,196 |  |  |  | 4,147 |  |  |  | 1,930 |
Weighted average shares outstanding |  |  | 3,904,052 |  |  |  | 3,894,222 |  |  |  | 3,953,281 |
Effect of potentially dilutive restricted common shares |  |  | 11,573 |  |  |  | 2,963 |  |  |  | - |
Divided by: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average diluted shares outstanding |  |  | 3,915,625 |  |  |  | 3,897,185 |  |  |  | 3,953,281 |
Diluted earnings per common share |  |  | 0.82 |  |  |  | 1.06 |  |  |  | 0.49 |

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