XML 67 R47.htm IDEA: XBRL DOCUMENT
v3.19.1

Share Capital - Summary of Outstanding Warrants (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 CAD ($) year shares | May 22, 2018 shares
Disclosure of classes of share capital [line items] |  |
Share capital issued, beginning (shares) | 14,926,840 |
Share capital issued ending (shares) | 17,399,749 |
Weighted average remaining contractual life of outstanding share options | year | 4.99 |
Warrants exercisable into common shares | 1,730,894 | 9.5
Warrants |  |
Disclosure of classes of share capital [line items] |  |
Exercise Price | $ | $ 9.03 |
Share capital issued, beginning (shares) | 16,445,000 |
Issued (shares) | (1,500) |
Share capital issued ending (shares) | 16,443,500 |
Weighted average remaining contractual life of outstanding share options | 3.42 |

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 2018-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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
- Definition Issue Of Equity, Shares + References No definition available. + Details
Name: | oncyf_IssueOfEquityShares
Namespace Prefix: | oncyf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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