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Stockholders’ Equity (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 04, 2024	May 10, 2021
Equity [Abstract]
Common stock, value		$ 10	$ 25
Commission paid, percentage	3.00%

X

- Definition

Percentage of commission paid.

+ References

No definition available.

+ Details

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Namespace Prefix:	neon_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Value of common shares held by shareholders. Excludes common shares repurchased and held as treasury shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

+ Details

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

X

- References

No definition available.

+ Details

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