XML 82 R63.htm IDEA: XBRL DOCUMENT v3.25.0.1

Share-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands, $ in Thousands					12 Months Ended
	Sep. 07, 2023 CAD ($) shares	Sep. 07, 2023 USD ($) shares	Aug. 08, 2023 CAD ($) shares	Aug. 08, 2023 USD ($) shares	Dec. 31, 2024 CAD ($) shares	Dec. 31, 2023 CAD ($) shares	Dec. 31, 2023 $ / shares	Dec. 31, 2022 CAD ($) shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Common shares reserved for issuance, maximum percentage					14.00%
Share-based compensation expense | $					$ 2,723	$ 1,917		$ 2,378
Expiration period, granted	60 months	60 months	60 months	60 months
Contributed Surplus
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions with parties other than employees	$ 638	$ 473	$ 638	$ 473
Reserve of share-based payments
Disclosure of terms and conditions of share-based payment arrangement [line items]
Common shares reserved for issuance (in shares)					11,202,818
Restricted share units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Granted (in shares)					853,642	403,200		0
Restricted share units | Officer
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period, if not immediately vested					3 years	3 years
Restricted share units | Director
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period, if not immediately vested					2 years	2 years
Compensation Warrants
Disclosure of terms and conditions of share-based payment arrangement [line items]
Granted (in shares)	536,693	536,693	536,693	536,693	536,693	536,693
Purchase price (cad and usd per share) | $ / shares							$ 2.25
Expiration period, granted						60 months
Minimum
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period, if not immediately vested					1 year
Maximum
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period, if not immediately vested					3 years

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]

+ 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_ExpenseFromSharebasedPaymentTransactionsWithEmployees
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of expense from share-based payment transactions with parties other than employees. [Refer: Expense from share-based payment transactions]

+ 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_ExpenseFromSharebasedPaymentTransactionsWithPartiesOtherThanEmployees
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of shares reserved for issue under options and contracts for the sale of shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause vii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_vii&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Expiration Period Of Other Equity Instruments Granted In Share-Based Payment Arrangement

+ References

No definition available.

+ Details

Name:	oncyf_ExpirationPeriodOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement
Namespace Prefix:	oncyf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number Of Shares Reserved For Issue Under Options And Contracts For Sale Of Shares, Percentage Of Common Shares, Maximum

+ References

No definition available.

+ Details

Name:	oncyf_NumberOfSharesReservedForIssueUnderOptionsAndContractsForSaleOfSharesPercentageOfCommonSharesMaximum
Namespace Prefix:	oncyf_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period1

+ References

No definition available.

+ Details

Name:	oncyf_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	oncyf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_SharePremiumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ifrs-full_ReserveOfSharebasedPaymentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ifrs-full_RestrictedShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=srt_OfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=oncyf_CompensationWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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