XML 63 R51.htm IDEA: XBRL DOCUMENT v3.25.3

COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($)		9 Months Ended
	Sep. 24, 2024	Sep. 30, 2025	Sep. 30, 2024
Loss Contingencies [Line Items]
Contingent consideration description		If during the three-year period since April 26, 2023, the Company’s market cap equals or exceeds $100 million for at least ten consecutive trading days, then the Company will issue to the seller shares of the Company’s common stock equal to (a) $2.0 million divided by (b) the quotient of $100 million divided by the number of the Company’s then issued and outstanding shares of common stock. If during that three-year period, the Company’s market cap equals or exceeds $200 million for at least ten consecutive trading days, then the Company will issue to the seller additional shares of the Company’s common stock equal to (a) $2.0 million divided by (b) the quotient of $200 million dividend by the number of the Company’s then issued and outstanding shares of common stock.
Contingent consideration fair value liability			$ 41,000
Contingent consideration obligation expire date		Apr. 26, 2026
401 K [Member]
Loss Contingencies [Line Items]
Employees contribution, deferral percentage of their pay on a pre-tax basis		100.00%
Employer matching contribution up to first 3%		3.00%
Employee contribution threshold for matching percentage		50.00%
Employer matching contribution in excess of first 2%		2.00%
Deferred compensation matched by employer, next match		4.00%
Maximum [Member]
Loss Contingencies [Line Items]
Employees contribution, deferral percentage of annual compensation		100.00%
Factor L& C Agreement [Member]
Loss Contingencies [Line Items]
Notice period for customary termination rights	90 days
Factor L& C Agreement [Member] | First Twelve Months [Member]
Loss Contingencies [Line Items]
Costs	$ 200,000
Factor L& C Agreement [Member] | First Nine Months [Member]
Loss Contingencies [Line Items]
Costs	$ 100,000

X

- Definition

Contingent consideration obligation expire date.

+ References

No definition available.

+ Details

Name:	ERNA_ContingentConsiderationObligationExpireDate
Namespace Prefix:	ERNA_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Defined contribution plan deferral percent of annual compensation percentage.

+ References

No definition available.

+ Details

Name:	ERNA_DefinedContributionPlanDeferralPercentOfAnnualCompensationPercentage
Namespace Prefix:	ERNA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Defined contribution plan, deferral percentage of employee on their pay on pre-tax basis.

+ References

No definition available.

+ Details

Name:	ERNA_DefinedContributionPlanDeferralPercentOfTheirPayOnPreTaxBasis
Namespace Prefix:	ERNA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of employee contribution to the plan that is fully matched by the employer.

+ References

No definition available.

+ Details

Name:	ERNA_DefinedContributionPlanEmployeeContributionAtThresholdOne
Namespace Prefix:	ERNA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of employee contribution to the plan that is fully matched by the employer.

+ References

No definition available.

+ Details

Name:	ERNA_DefinedContributionPlanEmployeeContributionAtThresholdTwo
Namespace Prefix:	ERNA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage employer matches of the employee's percentage contribution up to a certain percentage matched.

+ References

No definition available.

+ Details

Name:	ERNA_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchOne
Namespace Prefix:	ERNA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage employer matches of the employee's percentage contribution in excess of certain percentage matched.

+ References

No definition available.

+ Details

Name:	ERNA_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchTwo
Namespace Prefix:	ERNA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Notice period for customary termination rights.

+ References

No definition available.

+ Details

Name:	ERNA_NoticePeriodForCustomaryTerminationRights
Namespace Prefix:	ERNA_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-9

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483359/720-20-50-1

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482395/460-10-55-27

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-3

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

+ Details

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

X

- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

+ Details

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

X

- Definition

Description of the nature and terms of commitment.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=ERNA_RetirementPlan401KMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ERNA_FactorLAndCAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=ERNA_FirstTwelveMonthsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=ERNA_FirstNineMonthsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: