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Leases (Details) - Schedule of Operating and Finance Lease Including the Remaining Lease payments Through the end of the Expected Lease Term	Dec. 31, 2025 USD ($)
Schedule of Operating and Finance Leases [Abstract]
Remainder of fiscal year 2026	$ 55,547
Less: derecognition of lease liability due to restructuring	(55,547)
Present value of lease liability	$ 0

X

- Definition

Derecognition of lease liability due to restructuring.

+ References

No definition available.

+ Details

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Period Type:	instant

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- References

No definition available.

+ Details

Name:	neup_ScheduleOfOperatingAndFinanceLeasesAbstract
Namespace Prefix:	neup_
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X

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

+ Details

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X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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