XML 66 R44.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Summary of Material Accounting Policies - Narrative (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 CAD ($) plan | Dec. 31, 2022 CAD ($)
Summary Of Significant Accounting Policies [Abstract] |  |
Cash equivalents | $ | $ 31,534 | $ 9,501
Number of plans | plan | 1 |
Maximum option expiration term | 10 years |

X
- Definition The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_CashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum Term Of Options Granted For Share-based Payment Arrangement + References No definition available. + Details
Name: | oncyf_MaximumTermOfOptionsGrantedForSharebasedPaymentArrangement
Namespace Prefix: | oncyf_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Stock Option Plans + References No definition available. + Details
Name: | oncyf_NumberOfStockOptionPlans
Namespace Prefix: | oncyf_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Summary Of Significant Accounting Policies [Abstract] + References No definition available. + Details
Name: | oncyf_SummaryOfSignificantAccountingPoliciesAbstract
Namespace Prefix: | oncyf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration