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Selected Income Statement Data (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Selected Income Statement Data [Line Items] |  |  |  |  |
Total revenues |  | $ 123,174 | $ 93,485 | $ 79,228 | [1]
Selling | [2] | 19,233 | 14,096 | 13,146 |
General and administrative |  | 6,949 | 7,926 | 8,754 |
Total selling, general and administrative expenses |  | 26,182 | 22,022 | 21,900 | [1]
Shipping and handling costs |  | 884 | 697 | 625 |
Interest expense |  |  | (13) | (246) |
Interest income |  | 594 | 77 | 63 |
Re-evaluation expense on liabilities to the IIA |  |  |  | (183) |
Other, net | [3] | 134 | (214) | (481) |
Financial income (expenses), net |  | 728 | (150) | (847) | [1]
Foreign currency income (expense), transactions not denominated in U.S. Dollars |  | 226 | (41) | (351) |
Sales of products [Member] |  |  |  |  |
Selected Income Statement Data [Line Items] |  |  |  |  |
Total revenues |  | 117,537 | 88,295 | 74,730 |
Service fees [Member] |  |  |  |  |
Selected Income Statement Data [Line Items] |  |  |  |  |
Total revenues |  | $ 5,637 | $ 5,190 | $ 4,498 |
[1] | Reclassified - due to presenting PCB operation as discontinued operation - See Note 19
[2] | Including shipping and handling costs
[3] | Other, net includes foreign currency income (expense) resulting from transactions not denominated in U.S. Dollars amounting to $226, $(41), and $(351) in 2018, 2017 and 2016, respectively.

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