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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table summarizes information related to the computation of basic and diluted earnings per Share for the years indicated:
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | U.S. Dollars (In thousands, except per share data) |
Net income attributable to Shares |  |  | 18,731 |  |  |  | 13,962 |  |  |  | 4,734 |
Weighted average number of Shares |  |  |  |  |  |  |  |  |  |  |  |
outstanding used in basic earnings per |  |  |  |  |  |  |  |  |  |  |  |
Share calculation |  |  | 36,190 |  |  |  | 35,441 |  |  |  | 35,348 |
Add assumed exercise of outstanding dilutive |  |  |  |  |  |  |  |  |  |  |  |
potential Shares |  |  | 557 |  |  |  | 523 |  |  |  | 28 |
Weighted average number of Shares |  |  |  |  |  |  |  |  |  |  |  |
Outstanding used in diluted earnings per |  |  |  |  |  |  |  |  |  |  |  |
Share calculation |  |  | 36,747 |  |  |  | 35,964 |  |  |  | 35,376 |
Basic income from continuing operations per Share |  |  | 0.52 |  |  |  | 0.05 |  |  |  | 0.02 |
Basic income from discontinued operations per Share |  |  | - |  |  |  | 0.35 |  |  |  | 0.11 |
Basic net income per Share |  |  | 0.52 |  |  |  | 0.40 |  |  |  | 0.13 |
Diluted income from continuing operations per Share |  |  | 0.51 |  |  |  | 0.05 |  |  |  | 0.02 |
Diluted income from discontinued operations per Share |  |  | - |  |  |  | 0.34 |  |  |  | 0.11 |
Diluted net income per Share |  |  | 0.51 |  |  |  | 0.39 |  |  |  | 0.13 |
Number of options excluded from the diluted |  |  |  |  |  |  |  |  |  |  |  |
earnings per share calculation due to their |  |  |  |  |  |  |  |  |  |  |  |
anti-dilutive effect |  |  | - |  |  |  | - |  |  |  | 1,538 |

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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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