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Segments and Major Customers (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Major Customer Disclosure
Revenues	$ 73,779	$ 69,712	$ 219,505	$ 224,518
South Korea
Major Customer Disclosure
Revenues	30,821	26,821	84,463	80,620
USA
Major Customer Disclosure
Revenues	33,146	24,950	90,530	81,522
Japan
Major Customer Disclosure
Revenues	3,460	6,497	19,866	23,140
Europe
Major Customer Disclosure
Revenues	1,571	4,238	8,287	17,077
Canada
Major Customer Disclosure
Revenues	6	1,754	207	5,365
SINGAPORE
Major Customer Disclosure
Revenues	3,222	3,910	11,042	10,170
Asia-Other
Major Customer Disclosure
Revenues	$ 1,553	$ 1,542	$ 5,110	$ 6,624

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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

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