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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Depreciation of Property, Plant and Equipment | Property, plant and equipment are stated at cost, net of accumulated depreciation. Depreciation is calculated on the straight-line basis over the estimated useful life of the assets at the following annual rates:
|  | %
Machinery and equipment | 15 - 33
Office furniture and equipment | 6 - 33
Leasehold improvements | *
* Over the shorter term of the lease or the life of the asset
Computation of Basic and Diluted Income Per Ordinary Share | The following table summarizes information related to the computation of basic and diluted income per ordinary share for the years indicated.
|  | Year ended December 31 |
|  | 2016 |  |  | 2017 |  |  | 2018 |
Net income attributable to ordinary shares |  |  |  |  |  |  |  |  |
(US$ thousands) |  |  | 13,137 |  |  |  | 21,714 |  |  |  | 14,637 |
Weighted average number of ordinary shares outstanding |  |  |  |  |  |  |  |  |  |  |  |
used in basic income per ordinary share calculation |  |  | 7,343,696 |  |  |  | 7,455,528 |  |  |  | 7,552,094 |
Add assumed exercise of outstanding dilutive potential |  |  |  |  |  |  |  |  |  |  |  |
ordinary shares |  |  | 91,485 |  |  |  | 146,443 |  |  |  | 105,236 |
Weighted average number of ordinary shares outstanding |  |  |  |  |  |  |  |  |  |  |  |
used in diluted income per ordinary share calculation |  |  | 7,435,181 |  |  |  | 7,601,971 |  |  |  | 7,657,330 |
Basic income per ordinary shares (US$) |  |  | 1.789 |  |  |  | 2.912 |  |  |  | 1.938 |
Diluted income per ordinary shares (US$) |  |  | 1.767 |  |  |  | 2.856 |  |  |  | 1.912 |
The weighted average number of shares related to options |  |  |  |  |  |  |  |  |  |  |  |
and RSUs excluded from the diluted earnings per share |  |  |  |  |  |  |  |  |  |  |  |
calculation because of anti-dilutive effect |  |  | 9,633 |  |  |  | - |  |  |  | 171,086 |

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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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