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Segment, Geographic, Product and Significant Customer Information (Tables) | 9 Months Ended
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Sep. 30, 2017
Segment Reporting [Abstract] |
Total net revenue | The following tables summarize total net revenues and long-lived assets (excluding intangible assets) attributed to significant countries (in thousands)
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, 2017 |  |  | September 24, 2016 |  |  | September 30, 2017 |  |  | September 24, 2016 |
Total net revenues (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
South Korea |  | $ | 22,269 |  |  | $ | 15,710 |  |  | $ | 72,388 |  |  | $ | 35,226 |
Japan |  |  | 4,781 |  |  |  | 11,765 |  |  |  | 17,400 |  |  |  | 24,669 |
United States |  |  | 6,231 |  |  |  | 8,211 |  |  |  | 28,101 |  |  |  | 24,306 |
China |  |  | 3,403 |  |  |  | 7,364 |  |  |  | 17,420 |  |  |  | 33,883 |
Taiwan |  |  | 2,304 |  |  |  | 6,334 |  |  |  | 19,016 |  |  |  | 16,962 |
Singapore |  |  | 9,774 |  |  |  | 5,078 |  |  |  | 12,229 |  |  |  | 18,645 |
Other |  |  | 7,913 |  |  |  | 4,252 |  |  |  | 13,862 |  |  |  | 8,279 |
Total net revenues |  | $ | 56,675 |  |  | $ | 58,714 |  |  | $ | 180,416 |  |  | $ | 161,970 |
Long-lived tangible assets |
|  | September 30, 2017 |  |  | December 31, 2016 |
Long-lived tangible assets: |  |  |  |  |  |  |  |
United States |  | $ | 41,002 |  |  | $ | 42,688 |
International |  |  | 1,315 |  |  |  | 1,538 |
Total long-lived tangible assets |  | $ | 42,317 |  |  | $ | 44,226 |
Customers accounted for 10% or more of total accounts receivable | The following customers accounted for 10% or more of total accounts receivable, net:
|  | At |
|  | September 30, 2017 |  |  | December 31, 2016 |
Samsung Electronics Co. Ltd. |  |  | 23% |  |  |  | 14% |
Micron Technology, Inc. |  |  | 27% |  |  |  | 12% |
Taiwan Semiconductor Manufacturing Company Limited |  | *** |  |  |  | 20% |
Intel Corporation |  |  | 11% |  |  |  | 11% |
Toshiba Corporation |  | *** |  |  |  | 10% |
*** | The customer accounted for less than 10% of total accounts receivable, net, as of that period end.
Customers accounted for 10% or more of total revenue | The following customers accounted for 10% or more of total net revenues:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, 2017 |  |  | September 24, 2016 |  |  | September 30, 2017 |  |  | September 24, 2016 |
Samsung Electronics Co. Ltd. |  |  | 32% |  |  | *** |  |  |  | 28% |  |  | *** |
SK Hynix |  | *** |  |  |  | 19% |  |  |  | 15% |  |  |  | 14% |
Intel Corporation |  |  | 14% |  |  |  | 19% |  |  |  | 12% |  |  |  | 19% |
Micron Technology, Inc. |  |  | 19% |  |  |  | 15% |  |  |  | 11% |  |  |  | 25% |
*** | The customer accounted for less than 10% of total net revenues during the period.

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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 2: 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=63488584&loc=d3e20235-122688 + Details
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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + 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=63488584&loc=d3e20235-122688 Reference 2: 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=68060357&loc=d3e9038-108599 + Details
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