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REVENUES (Detail Textuals)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of disaggregation of revenue from contracts with customers [line items]
Percentage of revenue		11.50%	10.00%
Customer one [Member]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Percentage of revenue	12.10%
Customer two [Member]
Disclosure of disaggregation of revenue from contracts with customers [line items]
Percentage of revenue	11.30%

X

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
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X

- Definition

The percentage below describes the percentage of revenue from a significant customer, whose revenue is over 10% of the company's revenue.

+ References

No definition available.

+ Details

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Namespace Prefix:	nexn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: