Represents the term of borrowings.

No definition available.

Name:	evax_BorrowingsTerm
Namespace Prefix:	evax_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants.

+ References

No definition available.

+ Details

Name:	evax_ClassOfWarrantExercisePriceOfWarrants
Namespace Prefix:	evax_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The value debt being converted.

+ References

No definition available.

+ Details

Name:	evax_DebtConversionAmountConverted
Namespace Prefix:	evax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the area of a leased property.

+ References

No definition available.

+ Details

Name:	evax_LeaseArea
Namespace Prefix:	evax_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percent of premium on the share price.

+ References

No definition available.

+ Details

Name:	evax_PremiumOfSharePrice
Namespace Prefix:	evax_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	evax_Statement1LineItems
Namespace Prefix:	evax_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from borrowings obtained. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=evax_OrdinaryWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=evax_LoanFromLessorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=evax_HorsholmDenmarkOfficeSpaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=evax_HorsholmDenmarkLaboratorySpaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=evax_EibLoanTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=evax_PaymentInKindInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=evax_EibLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 7 - Borrowings (Details Textual) $ / shares in Units, $ in Thousands, € in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2020 USD ($) m²	Dec. 31, 2021 USD ($)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jul. 11, 2025 $ / shares	Jul. 11, 2025 EUR (€)	Aug. 31, 2020 EUR (€)
Statement Line Items [Line Items]
Total borrowings			$ 5,311	$ 5,537
Ordinary warrants [member]
Statement Line Items [Line Items]
Class of warrant, exercise price of warrants (in dollars per share) \| $ / shares					$ 4.87
Premium of share price						89.00%
Loan from lessor [member]
Statement Line Items [Line Items]
Lease, area (Square Metre) \| m²	1,357
Total borrowings	$ 1,300		624	737
Borrowings, interest rate	6.00%
Borrowings, term (Year)	8 years
Loan from lessor [member] \| Horsholm, Denmark office space [member]
Statement Line Items [Line Items]
Lease, area (Square Metre) \| m²	839
Loan from lessor [member] \| Horsholm, Denmark laboratory space [member]
Statement Line Items [Line Items]
Lease, area (Square Metre) \| m²	518
EIB loan tranche one [member]
Statement Line Items [Line Items]
Borrowings, term (Year)		6 years
Notional amount \| €							€ 7.0
Proceeds from borrowings, classified as financing activities		$ 7,800
EIB loan tranche one [member] \| Weighted average [member]
Statement Line Items [Line Items]
Borrowings, interest rate		0.79%
EIB loan tranche one [member] \| Fixed interest rate [member]
Statement Line Items [Line Items]
Borrowings, interest rate		3.00%
EIB loan tranche one [member] \| Payment in kind interest rate [member]
Statement Line Items [Line Items]
Borrowings, interest rate		4.00%
EIB loan [member]
Statement Line Items [Line Items]
Total borrowings			$ 4,687	$ 4,800
Notional amount \| €						€ 7.0
Debt conversion, amount converted \| €						€ 3.5