The amount of conditional grant under an agreement.

No definition available.

Name:	nsys_AgreementConditionalGrant
Namespace Prefix:	nsys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The matching amount required for the conditional grant under an agreement.

+ References

No definition available.

+ Details

Name:	nsys_AgreementConditionalGrantMatchingAmount
Namespace Prefix:	nsys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The term under an agreement for exclusive manufacturing rights.

+ References

No definition available.

+ Details

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

- Definition

The percentage ownership interest in an entity.

+ References

No definition available.

+ Details

Name:	nsys_OwnershipPercent
Namespace Prefix:	nsys_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_AccountsReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
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-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 912
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478345/912-310-45-2

+ Details

Name:	us-gaap_UnbilledContractsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_TypeOfArrangementAxis=nsys_AgreementBetweenTheBIRDFoundationTheCompanyAndMarpeTechnologiesLTDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsys_AbilitechMedicalIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=us-gaap_LossOnLongTermPurchaseCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=nsys_PaymentsReceivedForDeliveryOfEmsProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsys_DavidKuninMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=nsys_MarpeTechnologiesLTDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nsys_MarpeTechnologiesLTDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Agreement Between the BIRD Foundation, the Company, and MARPE Technologies, LTD [Member]
Agreement, Conditional Grant	$ 1,000
Agreement, Exclusive Manufacturing Rights, Term (Year)	10 years
Abilitech Medical, Inc [Member] \| Loss on Long-Term Purchase Commitment [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 85
Abilitech Medical, Inc [Member] \| Payments Received for Delivery of EMS Products [Member]
Related Party Transaction, Amounts of Transaction	$ 28
David Kunin [Member] \| Marpe Technologies, LTD [Member] \| Maximum [Member]
Ownership, Percent	10.00%
Marpe Technologies, LTD [Member] \| Agreement Between the BIRD Foundation, the Company, and MARPE Technologies, LTD [Member]
Accounts Receivable, after Allowance for Credit Loss	$ 0		$ 20
Related Party Transaction, Amounts of Transaction	0	$ 67
Agreement, Conditional Grant Matching Amount	500
Unbilled Contracts Receivable	$ 21		$ 39