XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Nature of Business and Basis of Presentation - Textual (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 25, 2016 | Jun. 27, 2015 | Jun. 25, 2016 | Jun. 27, 2015
Accounting Policies [Line Items] |  |  |  |
Fiscal year/fiscal quarter duration |  |  | 91 days | 91 days
Products | $ 47,445 | $ 38,937 | $ 86,659 | $ 77,275
Cost of products | $ 21,736 | 19,872 | $ 39,815 | 39,863
Maximum period of delivery to customers |  |  | 6 months |
Maximum period services are provided over the fixed arrangement term |  |  | 12 months |
Reclassification [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Products |  | 2,200 |  | 6,800
Cost of products |  | $ 1,100 |  | $ 2,900
Minimum [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Fiscal year/fiscal quarter duration |  |  | 364 days |
Maximum [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Fiscal year/fiscal quarter duration |  |  | 371 days |

X
- Definition [Line Items] for Accounting Policies [Table] + References No definition available. + Details
Name: | nano_AccountingPoliciesLineItems
Namespace Prefix: | nano_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum period of delivery to customers. + References No definition available. + Details
Name: | nano_MaximumPeriodOfDeliveryToCustomers
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum period, services provided, over fixed arrangement term. + References No definition available. + Details
Name: | nano_MaximumPeriodServicesProvidedOverFixedArrangementTerm
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total costs related to goods produced and sold during the reporting period. + 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 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfGoodsSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
Name: | us-gaap_FiscalPeriodDuration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + 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(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueGoodsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_RestatementAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |