Credit facility fair value disclosure.

No definition available.

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Period Type:	instant

- Definition

Issuance of warrant liabilities.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Liabilities fair value disclosure changes in fair value.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Reclassification of contingent considerations liabilities to other payables.

+ References

No definition available.

+ Details

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- Definition

Stock purchase warrants liability fair value disclosure.

+ References

No definition available.

+ Details

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- Definition

Warrant labilities fair value disclosure.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Warrant liabilities transaction costs.

+ References

No definition available.

+ Details

Name:	NXTS_WarrantLiabilitiesTransactionCosts
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fair value of contingent consideration in a business combination that is classified in shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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- Definition

Amount of increase (decrease) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

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- Definition

Amount of purchases of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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- Definition

Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

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Data Type:	xbrli:stringItemType
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- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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SCHEDULE OF FAIR VALUE OF THE LEVELS 3 ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Impairment Effects on Earnings Per Share [Line Items]
Outstanding at December 31, 2025	$ 3,140
Additions during the period	79
Changes in fair value	210
Outstanding at June 30, 2026	3,429		$ 3,140
Contingent considerations	385		2,141
Stock purchase warrants liability	5,238		113
Warrant liabilities to Pure Capital	7,585		78
Credit facility	207		237
Total liabilities	13,415		2,569
Outstanding at December 31, 2025	2,569
Reclassification of contingent consideration liabilities to other payables	(1,553)
Issuance of warrant liabilities	6,215
Day-one loss on issuance of warrant liabilities	(2,065)
Changes in fair value, including effect of warrant modification	7,507	$ 94
Changes in fair value	742
Outstanding at June 30, 2026	13,415		2,569
Fair Value, Inputs, Level 1 [Member]
Impairment Effects on Earnings Per Share [Line Items]
Contingent considerations
Stock purchase warrants liability
Warrant liabilities to Pure Capital
Credit facility
Total liabilities
Outstanding at December 31, 2025
Outstanding at June 30, 2026
Fair Value, Inputs, Level 2 [Member]
Impairment Effects on Earnings Per Share [Line Items]
Contingent considerations
Stock purchase warrants liability
Warrant liabilities to Pure Capital
Credit facility
Total liabilities
Outstanding at December 31, 2025
Outstanding at June 30, 2026
Fair Value, Inputs, Level 3 [Member]
Impairment Effects on Earnings Per Share [Line Items]
Contingent considerations	385		2,141
Stock purchase warrants liability	5,238		113
Warrant liabilities to Pure Capital	7,585		78
Credit facility	207		237
Total liabilities	13,415		2,569
Outstanding at December 31, 2025	2,569
Outstanding at June 30, 2026	13,415		2,569
Solar Photovoltaic Joint Venture Project [Member]
Impairment Effects on Earnings Per Share [Line Items]
Outstanding at December 31, 2025	2,744
Additions during the period	79
Changes in fair value	97
Outstanding at June 30, 2026	2,920		2,744
Convertible Loan to Solterra [Member]
Impairment Effects on Earnings Per Share [Line Items]
Outstanding at December 31, 2025	396
Additions during the period
Changes in fair value	113
Outstanding at June 30, 2026	509		396
Stock Purchase Warrants Liability [Member]
Impairment Effects on Earnings Per Share [Line Items]
Total liabilities	5,238		113
Outstanding at December 31, 2025	113
Reclassification of contingent consideration liabilities to other payables
Issuance of warrant liabilities	6,215
Day-one loss on issuance of warrant liabilities	(2,065)
Changes in fair value, including effect of warrant modification
Changes in fair value	975
Outstanding at June 30, 2026	5,238		113
Warrant Lliabilities to Pure Capital [Member]
Impairment Effects on Earnings Per Share [Line Items]
Total liabilities	7,585		78
Outstanding at December 31, 2025	78
Reclassification of contingent consideration liabilities to other payables
Issuance of warrant liabilities
Day-one loss on issuance of warrant liabilities
Changes in fair value, including effect of warrant modification	7,507
Changes in fair value
Outstanding at June 30, 2026	7,585		78
Credit Facility [Member]
Impairment Effects on Earnings Per Share [Line Items]
Total liabilities	207		237
Outstanding at December 31, 2025	237
Reclassification of contingent consideration liabilities to other payables
Issuance of warrant liabilities
Day-one loss on issuance of warrant liabilities
Changes in fair value, including effect of warrant modification
Changes in fair value	(30)
Outstanding at June 30, 2026	207		237
Contingent Considerations [Member]
Impairment Effects on Earnings Per Share [Line Items]
Total liabilities	385		2,141
Outstanding at December 31, 2025	2,141
Reclassification of contingent consideration liabilities to other payables	(1,553)
Issuance of warrant liabilities
Day-one loss on issuance of warrant liabilities
Changes in fair value, including effect of warrant modification
Changes in fair value	(203)
Outstanding at June 30, 2026	$ 385		$ 2,141