v2.4.0.6

Segment, Geographic, Product and Significant Customer Information (Details 3) | Dec. 31, 2011 Samsung Electronics Co. Ltd. [Member] | Jan. 01, 2011 Samsung Electronics Co. Ltd. [Member] | Dec. 29, 2012 Intel Corporation [Member] | Dec. 29, 2012 Taiwan Semiconductor Manufacturing Company Limited [Member]
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Customers accounted for 10% or more of total accounts receivable |  |  |  |
Customers accounted for 10% or more of total accounts receivable | 41.10% | 19.20% | 12.30% | 17.30%

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- Definition Entity wide accounts receivable major customer percentage. + References No definition available. + Details
Name: | nano_EntityWideAccountsReceivableMajorCustomerPercentage
Namespace Prefix: | nano_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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