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Segment, Geographic, Product and Significant Customer Information (Tables) | 12 Months Ended
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Dec. 28, 2013
Geographic and Significant Customer Information [Abstract] |
Total net revenue | The following tables summarize total net revenues and long-lived assets (excluding intangible assets) attributed to significant countries (in thousands):
| Years Ended
| December 28, 2013 |  | December 29, 2012 |  |  | December 31, 2011
Total net revenues (1): |  |  |  |  |
United States | $ | 47,019 |  |  | 44,811 |  |  | 50,447 |
Japan | 11,629 |  |  | 16,832 |  |  | 34,806 |
South Korea | 34,873 |  |  | 79,555 |  |  | 87,533 |
Other | 50,786 |  |  | 41,683 |  |  | 57,275 |
Total net revenues | $ | 144,307 |  |  | $ | 182,881 |  |  | $ | 230,061 |
(1) Net revenues are attributed to countries based on the customer's deployment and service locations of systems.
Long-lived tangible assets |
Long-lived tangible assets: | December 28, 2013 |  |  | December 29, 2012
United States | 44,775 |  |  | 40,600 |
Japan | 125 |  |  | 148 |
South Korea | 445 |  |  | 520 |
All Other | 2,094 |  |  | 1,945 |
Total long-lived tangible assets | $ | 47,439 |  |  | $ | 43,213 |
Revenues by product type | Revenues by product type were as follows (in thousands):
| Years Ended
| December 28, 2013 |  | December 29, 2012 |  | December 31, 2011
Automated Systems | $ | 82,924 |  |  | 119,451 |  |  | 139,261 |
Integrated Systems | 11,412 |  |  | 12,379 |  |  | 25,413 |
Materials Characterization Systems | 13,066 |  |  | 11,997 |  |  | 30,100 |
Total product revenues | $ | 107,402 |  |  | $ | 143,827 |  |  | $ | 194,774 |
Customers accounted for 10% or more of total accounts receivable | The following customers accounted for 10% or more of total accounts receivable:
| At
| December 28, 2013 |  | December 29, 2012 |  | December 31, 2011
Samsung Electronics Co. Ltd. | 27.4 | % |  | *** |  |  | 41.1 | %
Intel Corporation | 14.4 | % |  | 12.3 | % |  | *** |
Taiwan Semiconductor Manufacturing Company Limited | 12.1 | % |  | 17.3 | % |  | *** |
SK Hynix | 21.8 | % |  | *** |  |  | *** |
*** The customer accounted for less than 10% of total accounts receivable as of that period end.
Customers accounted for 10% or more of total revenue | The following customers accounted for 10% or more of total revenue:
| Years Ended
| December 28, 2013 |  | December 29, 2012 |  | December 31, 2011
Samsung Electronics Co. Ltd. | 14.4 | % |  | 27.8 | % |  | 30.0 | %
SK Hynix | 18.4 | % |  | 16.5 | % |  | 11.4 | %
Intel Corporation | 30.0 | % |  | 22.3 | % |  | 16.9 | %

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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=26872669&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 Reference 3: 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 + Details
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