XML 69 R59.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Segment, Geographic, Product and Significant Customer Information - Customers More Than 10% of Accounts Receivable (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member] | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 01, 2017 | Dec. 31, 2016
SK Hynix [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Customers accounted for 10% or more of total accounts receivable | 22.00% |
Taiwan Semiconductor Manufacturing Company Limited [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Customers accounted for 10% or more of total accounts receivable | 20.00% | 20.10%
Samsung Electronics Co. Ltd. [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Customers accounted for 10% or more of total accounts receivable | 13.40% | 14.30%
Micron Technology, Inc. [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Customers accounted for 10% or more of total accounts receivable |  | 11.80%
Intel Corporation [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Customers accounted for 10% or more of total accounts receivable |  | 11.10%
Toshiba Corporation [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Customers accounted for 10% or more of total accounts receivable |  | 10.20%

X
- Definition Percentage of accounts receivable net. + References No definition available. + Details
Name: | nano_PercentageOfAccountsReceivableNetAbstract
Namespace Prefix: | nano_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
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_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: |

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