XML 154 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Warranties (Details Textual) | 6 Months Ended
--- | ---
Jun. 29, 2013
Warranties (Textual) [Abstract] |
Product warranty period | 12 months

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

X
- Definition Product warranty period. + References No definition available. + Details
Name: | nano_ProductWarrantyPeriod
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration