v2.4.0.6

Segment, Geographic, Product and Significant Customer Information (Tables) | 12 Months Ended
--- | ---
Dec. 29, 2012
Geographic and Significant Customer Information [Abstract] |
Total net revenue | The following table summarizes total net revenues and long-lived assets (excluding intangible assets) attributed to significant countries (in thousands):
| Years Ended
| December 29, 2012 |  | December 31, 2011 |  | January 1, 2011
Total net revenues: |  |  |  |  |
United States | $ | 44,811 |  |  | $ | 50,447 |  |  | $ | 65,099 |
Japan | 16,832 |  |  | 34,806 |  |  | 19,776 |
South Korea | 79,555 |  |  | 87,533 |  |  | 54,156 |
Other | 41,683 |  |  | 57,275 |  |  | 49,034 |
Total net revenues | $ | 182,881 |  |  | $ | 230,061 |  |  | $ | 188,065 |
Long-lived tangible assets |
Long-lived tangible assets: | December 29, 2012 |  | December 31, 2011
United States | $ | 40,600 |  |  | $ | 33,127 |
Japan | 148 |  |  | 159 |
South Korea | 520 |  |  | 503 |
All Other | 1,945 |  |  | 1,732 |
Total long-lived tangible assets | $ | 43,213 |  |  | $ | 35,521 |
Revenues by product type | Revenues by product type were as follows (in thousands):
| Years Ended
| December 29, 2012 |  | December 31, 2011 |  | January 1, 2011
Automated Systems | $ | 119,451 |  |  | $ | 139,261 |  |  | $ | 110,955 |
Integrated Systems | 12,379 |  |  | 25,413 |  |  | 17,437 |
Materials Characterization Systems | 11,997 |  |  | 30,100 |  |  | 26,156 |
Total product revenues | $ | 143,827 |  |  | $ | 194,774 |  |  | $ | 154,548 |
Customers accounted for 10% or more of total accounts receivable | The following customers accounted for 10% or more of total accounts receivable:
| At
| December 29, 2012 |  | December 31, 2011 |  | January 1, 2011
Samsung Electronics Co. Ltd. | *** |  |  | 41.1 | % |  | 19.2 | %
Intel Corporation | 12.3 | % |  | *** |  |  | *** |
Taiwan Semiconductor Manufacturing Company Limited | 17.3 | % |  | *** |  |  | *** |
Customers accounted for 10% or more of total revenue | The following customers accounted for 10% or more of total revenue:
| Years Ended |  |
| December 29, 2012 |  | December 31, 2011 |  | January 1, 2011 |  |
Samsung Electronics Co. Ltd. | 27.8 | % |  | 30.0 | % |  | 23.0 | % |  |
SK Hynix | 16.5 | % |  | 11.4 | % |  | 12.8 | % |  |
Intel Corporation | 22.3 | % |  | 16.9 | % |  | 16.4 | % |  |

X
- Details
Name: | nano_GeographicAndSignificantCustomerInformationAbstract
Namespace Prefix: | nano_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of percentage accounts receivable by major customers by reporting segments. + References No definition available. + Details
Name: | nano_ScheduleOfPercentageAccountsReceivableByMajorCustomersByReportingSegmentsTableTextBlock
Namespace Prefix: | nano_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of percentage of revenue by major customers by reporting segments. + References No definition available. + Details
Name: | nano_ScheduleOfPercentageOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock
Namespace Prefix: | nano_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 37 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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 + Details
Name: | us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 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 FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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=6534315&loc=d3e9038-108599 + Details
Name: | us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&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=6880815&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration