XML 63 R60.htm IDEA: XBRL DOCUMENT v2.4.0.6

Warranties (Details Textual)	3 Months Ended
Warranties (Details Textual)	Mar. 30, 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