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Segments and Major Customers (Details 3) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Major Customer Disclosure |  |
Revenues | $ 72,682 | $ 72,914
South Korea |  |
Major Customer Disclosure |  |
Revenues | 31,454 | 26,821
USA |  |
Major Customer Disclosure |  |
Revenues | 25,265 | 27,707
Japan |  |
Major Customer Disclosure |  |
Revenues | 4,987 | 8,491
Europe |  |
Major Customer Disclosure |  |
Revenues | 3,793 | 5,175
Canada |  |
Major Customer Disclosure |  |
Revenues | 214 | 196
SINGAPORE |  |
Major Customer Disclosure |  |
Revenues | 4,619 | 2,810
Asia-Other |  |
Major Customer Disclosure |  |
Revenues | $ 2,350 | $ 1,714

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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