XML 76 R66.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Segment, Geographic, Product and Significant Customer Information - Customers More Than 10% of Revenues (Details) - Sales Revenue, Net [Member] - Customer Concentration Risk | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 24, 2016 | Sep. 26, 2015 | Sep. 24, 2016 | Sep. 26, 2015
SK Hynix [Member] |  |  |  |
Net revenues: |  |  |  |
Customers accounted for 10% or more of total revenue | 18.80% | 15.00% | 14.00% | 13.00%
Intel Corporation [Member] |  |  |  |
Net revenues: |  |  |  |
Customers accounted for 10% or more of total revenue | 18.50% |  | 19.40% |
Micron [Member] |  |  |  |
Net revenues: |  |  |  |
Customers accounted for 10% or more of total revenue | 14.60% | 14.00% | 25.20% | 18.00%
Toshiba Corporation [Member] |  |  |  |
Net revenues: |  |  |  |
Customers accounted for 10% or more of total revenue |  | 13.00% |  |
Taiwan Semiconductor Manufacturing Company Limited [Member] |  |  |  |
Net revenues: |  |  |  |
Customers accounted for 10% or more of total revenue |  | 17.00% |  | 19.00%
Samsung Electronics Co. Ltd. [Member] |  |  |  |
Net revenues: |  |  |  |
Customers accounted for 10% or more of total revenue |  |  |  | 16.00%

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SalesRevenueNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nano_SkHynixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nano_IntelCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nano_MicronTechnologyIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nano_ToshibaCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nano_TaiwanSemiconductorManufacturingCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nano_SamsungElectronicsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |