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Note 13 - Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Net earnings used in the computation of basic and diluted earnings per share (in thousands) |  | $ | 16,975 |  |  | $ | 15,022 |  |  | $ | 14,638 |
Weighted average shares outstanding - basic |  |  | 14,937,786 |  |  |  | 14,510,156 |  |  |  | 14,082,243 |
Common stock equivalents |  |  | 534,347 |  |  |  | 608,612 |  |  |  | 815,246 |
Total weighted average shares outstanding - diluted |  |  | 15,472,133 |  |  |  | 15,118,768 |  |  |  | 14,897,489 |
Per Share Data: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 1.14 |  |  | $ | 1.04 |  |  | $ | 1.04 |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 1.10 |  |  | $ | 0.99 |  |  | $ | 0.98 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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