Name:	evax_TaxRateEffectOfChangeInDeferredTax
Namespace Prefix:	evax_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from additional tax deduction for research and development expenses.

No definition available.

Name:	evax_TaxRateEffectOfResearchAndDevelopmentExpenses
Namespace Prefix:	evax_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from research and development tax credits.

No definition available.

Name:	evax_TaxRateEffectOfResearchAndDevelopmentTaxCredit
Namespace Prefix:	evax_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The applicable income tax rate.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]

Name:	ifrs-full_AverageEffectiveTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from the expenses not deductible in determining taxable profit. [Refer: Average effective tax rate; Applicable tax rate]

Name:	ifrs-full_TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from revenue that is exempt from taxation. [Refer: Average effective tax rate; Applicable tax rate]