XML 49 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Nature of Business, Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 28, 2013
Nature of Business and Basis of Presentation [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income – The composition of accumulated other comprehensive income (loss) was as follows (in thousands):
| Years Ended
| Foreign Currency Translations |  | Defined Benefit Pension Plans |  | Unrealized Income (Loss) on Investment |  | Accumulated Other Comprehensive Income
Balance as of December 31, 2011 | $ | 1,717 |  |  | $ | (168 | ) |  | $ | — |  |  | $ | 1,549 |
Current period change | (264 | ) |  | (11 | ) |  | (2 | ) |  | (277 | )
Balance as of December 29, 2012 | 1,453 |  |  | (179 | ) |  | (2 | ) |  | 1,272 |
Current period change | (818 | ) |  | 151 |  |  | 7 |  |  | (660 | )
Balance as of December 28, 2013 | $ | 635 |  |  | $ | (28 | ) |  | $ | 5 |  |  | $ | 612 |

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

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration