The amount of warrant liabilities of exercises.

No definition available.

Name:	ndra_WarrantLiabilitiesOfExercises
Namespace Prefix:	ndra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

+ Details

Name:	us-gaap_DerivativeLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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

+ Details

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Common Stock Warrants - Schedule of Reconciliation of Changes in the Company’s Level 3 Warrant Liability (Details) - USD ($)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Dec. 31, 2024
Schedule of Reconciliation of Changes in the Company’s Level 3 Warrant Liability [Line Items]
Beginning balance		$ 479,747		$ 799,284	$ 479,747	$ 799,284	$ 799,284
Change in fair value of warrant liability	$ 66,702		$ (62,112)		75,559	(470,674)	(319,537)	$ (3,447,737)
Ending balance	555,306				555,306		479,747	799,284
Level 3 [Member]
Schedule of Reconciliation of Changes in the Company’s Level 3 Warrant Liability [Line Items]
Ending balance	555,306				555,306
Warrant Liability [Member] \| Level 3 [Member]
Schedule of Reconciliation of Changes in the Company’s Level 3 Warrant Liability [Line Items]
Beginning balance	488,603	479,747	390,722	799,284	479,747	799,284	799,284
Exercises	0	0	0	0
Change in fair value of warrant liability	66,702	8,857	(62,112)	(408,562)
Ending balance	$ 555,306	$ 488,603	$ 328,610	$ 390,722	$ 555,306	$ 328,610	$ 479,747	$ 799,284