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Segments and Major Customers (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Major Customer Disclosure
Revenues	$ 73,294	$ 57,530	$ 198,079	$ 176,608
South Korea
Major Customer Disclosure
Revenues	34,343	21,648	78,871	66,363
USA
Major Customer Disclosure
Revenues	15,880	14,309	56,555	45,778
Japan
Major Customer Disclosure
Revenues	15,943	17,347	42,812	50,818
Europe
Major Customer Disclosure
Revenues	4,098	1,493	11,658	3,564
Canada
Major Customer Disclosure
Revenues	2,280	1,983	5,928	5,835
Asia-Other
Major Customer Disclosure
Revenues	$ 750	$ 750	$ 2,255	$ 4,250

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X

- 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=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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