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Note 7 - Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Net earnings used in the computation of basic and diluted earnings per share (in thousands) |  | $ | 6,122 |  |  | $ | 4,962 |  |  | $ | 12,389 |  |  | $ | 13,138 |
Weighted average shares outstanding - basic |  |  | 15,010,660 |  |  |  | 14,573,813 |  |  |  | 14,929,513 |  |  |  | 14,475,311 |
Common stock equivalents |  |  | 489,234 |  |  |  | 655,909 |  |  |  | 576,129 |  |  |  | 591,305 |
Weighted average shares outstanding - diluted |  |  | 15,499,894 |  |  |  | 15,229,722 |  |  |  | 15,505,642 |  |  |  | 15,066,616 |
Per Share Data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 0.41 |  |  | $ | 0.34 |  |  | $ | 0.83 |  |  | $ | 0.91 |
Diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings |  | $ | 0.39 |  |  | $ | 0.33 |  |  | $ | 0.80 |  |  | $ | 0.87 |

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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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