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Geographic and Significant Customer Information (Details 2) | Jun. 29, 2013 | Dec. 29, 2012
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Intel Corporation [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Entity-Wide Revenue, Major Customer, Percentage | 20.20% | 12.30%
Sk Hynix [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Entity-Wide Revenue, Major Customer, Percentage | 15.10% |
Samsung Electronics [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Entity-Wide Revenue, Major Customer, Percentage | 14.60% |
Micron Technology, Inc. [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Entity-Wide Revenue, Major Customer, Percentage | 11.00% |
Taiwan Semiconductor Mfg. Co. [Member] |  |
Customers accounted for 10% or more of total accounts receivable |  |
Entity-Wide Revenue, Major Customer, Percentage |  | 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