XML 56 R46.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Commitments and Contingencies - Textual (Details) - USD ($) | Apr. 01, 2017 | Dec. 31, 2016
--- | --- | ---
Commitments And Contingencies Disclosure [Abstract] |  |
Liabilities recorded for obligations | $ 0 | $ 0

X
- Definition Intellectual property indemnification obligations. + References No definition available. + Details
Name: | nano_IntellectualPropertyIndemnificationObligations
Namespace Prefix: | nano_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration