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Geographic and Significant Customer Information | 6 Months Ended
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Jun. 28, 2014
Segment Reporting [Abstract] |
Geographic and Significant Customer Information | Geographic and Significant Customer Information The Company has one operating segment, which is the sale, design, manufacture, marketing and support of thin film and optical critical dimension systems. The following tables summarize total net revenues (based on the deployments and service location of the systems) and long-lived assets (excluding intangible assets) attributed to significant geographic regions (in thousands):
| Three Months Ended |  | Six Months Ended
| June 28, 2014 |  | June 29, 2013 |  | June 28, 2014 |  | June 29, 2013
United States | $ | 13,302 |  |  | $ | 16,328 |  |  | $ | 20,043 |  |  | $ | 25,761 |
Japan | 2,222 |  |  | 5,407 |  |  | 5,906 |  |  | 6,051 |
Taiwan | 6,281 |  |  | 2,018 |  |  | 10,697 |  |  | 7,230 |
China | 9,358 |  |  | 5,594 |  |  | 24,846 |  |  | 9,141 |
South Korea | 8,373 |  |  | 506 |  |  | 24,262 |  |  | 761 |
Other | 8,493 |  |  | 4,699 |  |  | 13,851 |  |  | 10,160 |
Total net revenues | $ | 48,029 |  |  | $ | 34,552 |  |  | $ | 99,605 |  |  | $ | 59,104 |
| At
| June 28, 2014 |  | December 28, 2013
United States | $ | 44,963 |  |  | $ | 44,775 |
Japan | 105 |  |  | 125 |
South Korea | 383 |  |  | 445 |
All Other | 1,793 |  |  | 2,094 |
Total long-lived tangible assets | $ | 47,244 |  |  | $ | 47,439 |
The following customers accounted for 10% or more of total accounts receivable as of the following dates:
| June 28, 2014 |  | December 28, 2013
SK Hynix | 24 | % |  | 22 | %
Taiwan Semiconductor Mfg. Co. | 17 | % |  | 12 | %
Global Foundries | 17 | % |  | *** |
Samsung Electronics Co. Ltd. | *** |  |  | 27 | %
Intel Corporation | *** |  |  | 14 | %
*** The customer accounted for less than 10% of total accounts receivable as of that period end. The following customers accounted for 10% or more of total net revenues:
| Three Months Ended |  | Six Months Ended
| June 28, 2014 |  | June 29, 2013 |  | June 28, 2014 |  | June 29, 2013
Intel Corporation | 18 | % |  | 29 | % |  | 16 | % |  | 27 | %
SK Hynix | 18 | % |  | 23 | % |  | 13 | % |  | 15 | %
Samsung Electronics Co. Ltd. | 16 | % |  | 15 | % |  | 35 | % |  | 12 | %
Global Foundries | 15 | % |  | *** |  |  | *** |  |  | *** |
Taiwan Semiconductor Mfg. Co. | 11 | % |  | *** |  |  | *** |  |  | *** |
*** The customer accounted for less than 10% of total net revenues for that period.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599 + Details
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