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The number of share options exercised in a share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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The cash outflow for share issue costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard
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The cash inflow from the exercise of options.

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The cash inflow from the exercise of share purchase warrants.

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Data Type:	xbrli:monetaryItemType
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The cash inflow from issuing shares.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
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- References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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Data Type:	xbrli:monetaryItemType
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The weighted average share price. [Refer: Weighted average [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
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The amount of annual base salary.

No definition available.

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Namespace Prefix:	ngen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The maximum aggregate offering amount of securities that the entity is authorized to issue under the Base Shelf prospectus.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The amount of cash paid as commission to underwriters.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Exercise price per share or per unit of warrants or rights outstanding.

No definition available.

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Data Type:	dtr-types:perShareItemType
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Period Type:	instant

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

No definition available.

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Period Type:	instant

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

No definition available.

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Data Type:	dtr-types:perShareItemType
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The increase in number of shares outstanding through new issues.

No definition available.

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Data Type:	xbrli:sharesItemType
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Number of shares for each unit.

No definition available.

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Namespace Prefix:	ngen_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of warrants exercised during period.

No definition available.

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Namespace Prefix:	ngen_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Number of warrants for each unit.

No definition available.

Name:	ngen_NumberOfWarrantsForEachUnit
Namespace Prefix:	ngen_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The cash inflow from the issuing of units.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The cash inflow from issuing shares, net of share issuance costs.

No definition available.

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

Number of new units issued during the period.

No definition available.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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Data Type:	na
Balance Type:
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Name:	ngen_IfrsSaleOfStockAxis=ngen_PublicOfferingMember
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Data Type:	na
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