XML 88 R58.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Share Capital - Summary of Outstanding Warrants (Details) - CAD ($)	12 Months Ended
	Dec. 31, 2019	May 22, 2018
Disclosure of classes of share capital [line items]
Share capital issued, beginning (shares)	17,399,749
Share capital issued ending (shares)	32,198,453
Weighted average remaining contractual life of outstanding share options	4 years 5 months 12 days
Warrants exercisable into common shares (shares)	1,730,894	9.5
Warrants
Disclosure of classes of share capital [line items]
Exercise Price	$ 9.025
Share capital issued, beginning (shares)	16,443,500
Share capital issued ending (shares)	16,443,500
Weighted average remaining contractual life of outstanding share options	2 years 5 months 1 day

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 106
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2019-03-27

+ Details

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

X

- Definition

The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Class of Warrant or Right, Number of Securities Called by Warrants or Rights1

+ References

No definition available.

+ Details

Name:	oncyf_ClassofWarrantorRightNumberofSecuritiesCalledbyWarrantsorRights1
Namespace Prefix:	oncyf_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Exercise Price of Outstanding Warrants

+ References

No definition available.

+ Details

Name:	oncyf_ExercisePriceofOutstandingWarrants
Namespace Prefix:	oncyf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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