Name:	nsys_ContractWithCustomerAssetNetCurrent
Namespace Prefix:	nsys_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The increase (decrease) during the reporting period in product transferred over time.

No definition available.

Name:	nsys_IncreaseDecreaseProductTransferredOverTime
Namespace Prefix:	nsys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) during the reporting period in transferred to receivables from contract assets recognized.

No definition available.

Name:	nsys_IncreaseDecreaseTransferredToReceivablesFromContractAssetsRecognized
Namespace Prefix:	nsys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the percentage of revenue under contract manufacturing agreements that was recognized.

No definition available.

Name:	nsys_PercentageOfRevenueTransferredToCustomers
Namespace Prefix:	nsys_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	nsys_RevenueFromContractWithCustomerAbstract
Namespace Prefix:	nsys_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Period in which remaining performance obligation customers upon shipment with payment terms, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nsys_RevenueRemainingPerformanceObligationCustomersUponShipmentWithPaymentTerms
Namespace Prefix:	nsys_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nsys_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod
Namespace Prefix:	nsys_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Period in which remaining performance obligation is Remaining Amounts Transferred Period expected t, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.