XML 42 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Line of Credit and Debt Obligations (Details Textual) (USD $) | 0 Months Ended | 1 Months Ended | 9 Months Ended |  |  |  | 0 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
May 30, 2014 | Jul. 18, 2013 | Jul. 31, 2012 | Jul. 31, 2008 | Sep. 27, 2014 | Sep. 28, 2013 | May 30, 2014 | Aug. 31, 2013 Residential Mortgage [Member] | Jul. 31, 2008 Residential Mortgage [Member] | May 30, 2014 Minimum [Member] | May 30, 2014 Revolving line of credit facility [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Extension of maturity period on amendment of existing credit facility |  |  |  |  |  |  |  |  |  |  | 2 years
Maturity date | May 30, 2016 |  |  |  |  |  |  |  |  |  |
Limited borrowing amount |  |  |  |  |  |  | $ 12,000,000 |  |  |  |
Minimum borrowing interest rate |  |  |  |  |  |  |  |  |  | 3.00% |
Borrowing base |  |  |  |  |  |  | 20,000,000 |  |  |  |
Total borrowing available |  |  |  |  | 15,900,000 |  |  |  |  |  |
Amounts outstanding drawn on facility |  |  |  |  | 0 |  |  |  |  |  |
Mortgage agreement, borrowed amount |  |  |  |  |  |  |  |  | 13,500,000 |  |
Mortgage bears interest rate initially |  |  |  |  |  |  |  |  | 7.18% |  |
Mortgage bears interest rate after five year |  |  |  |  |  |  |  | 3.03% |  |  |
Amortization period of mortgage loan for sixty month |  |  |  | 20 years |  |  |  |  |  |  |
Loan Principal and Interest Payment Amortization Basis Period |  |  |  | 60 months |  |  |  |  |  |  |
Amortization period of mortgage loan after sixty month |  |  |  | 15 years |  |  |  |  |  |  |
Early Repayment Percent of Outstanding Debt |  |  | 20.00% | 20.00% |  |  |  |  |  |  |
Debt instrument pre payment |  |  | 1,400,000 |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 4,800,000 |  |  | $ 0 | $ 5,224,000 |  |  |  |  |

X
- Definition Amortization period of mortgage loan after sixty month. + References No definition available. + Details
Name: | nano_AmortizationPeriodOfMortgageLoanAfterSixtyMonth
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortization period of mortgage loan for sixty month. + References No definition available. + Details
Name: | nano_AmortizationPeriodOfMortgageLoanForSixtyMonth
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The stated interest rate of debt after year five (as a percentage). + References No definition available. + Details
Name: | nano_DebtInstrumentInterestRateStatedPercentageAfterYearFive
Namespace Prefix: | nano_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt instrument pre payment. + References No definition available. + Details
Name: | nano_DebtInstrumentPrePayment
Namespace Prefix: | nano_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Early repayment percent of outstanding debt. + References No definition available. + Details
Name: | nano_EarlyRepaymentPercentOfOutstandingDebt
Namespace Prefix: | nano_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of credit facility borrowing limit under condition two. + References No definition available. + Details
Name: | nano_LineOfCreditFacilityBorrowingLimitUnderConditionTwo
Namespace Prefix: | nano_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line of credit facility, extension of maturity period. + References No definition available. + Details
Name: | nano_LineOfCreditFacilityExtensionOfMaturityPeriod
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of credit facility standard borrowing limit under condition one. + References No definition available. + Details
Name: | nano_LineOfCreditFacilityStandardBorrowingLimitUnderConditionOne
Namespace Prefix: | nano_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loan Principal and Interest Payment Amortization Basis Period + References No definition available. + Details
Name: | nano_LoanPrincipalandInterestPaymentAmortizationBasisPeriod
Namespace Prefix: | nano_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maturity Date, Line of Credit Facility + References No definition available. + Details
Name: | nano_MaturityDateLineOfCreditFacility
Namespace Prefix: | nano_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Minimum contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration