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Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 30, 2018 | Nov. 30, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares available for grant |  |  | 224,428 |  |  |
Unrecognized share-based compensation expense |  |  | $ 335 |  |  |
Share based compensation expense |  |  | $ 1,681 | $ 634 | $ 429 | [1]
Unrecognized compensation cost, recognition period |  |  | 2 years 6 months 14 days |  |  |
Aggregate intrinsic Value, Outstanding |  |  | $ 1,886 | 3,450 | 1,040 |
Aggregate intrinsic Value, Outstanding, Vested and expected to vest |  |  | 855 | 1,140 | 204 |
Dividend | $ 5,100 | $ 5,000 | $ 5,063 | 5,001 |  |
Dividend paid per share | $ 0.14 | $ 0.14 |  |  |  |
Percentage of outstanding shares grant |  |  | 3.50% |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares available for grant |  |  | 224,428 |  |  |
Number of shares authorized for grant |  |  | 1,275,507 |  |  |
Unrecognized share-based compensation expense |  |  | $ 7,559 |  |  |
Share based compensation expense |  |  | $ 1,271 |  |  |
Weighted average grant- date fair value, Vested |  |  | $ 0.00 |  |  |
Percentage of outstanding shares grant |  |  | 3.50% |  |  |
Stock Compensation Plan [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share based compensation expense |  |  | $ 402 | $ 634 | $ 429 |
[1] | Reclassified - due to presenting PCB operation as discontinued operation - See Note 19

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