XML 86 R66.htm IDEA: XBRL DOCUMENT
v3.19.1

Additional Cash Flow Disclosures - Other Cash Flow Disclosures (Details) - CAD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statement of cash flows [abstract] |  |  |
Cash interest received | $ 173,496 | $ 130,101 | $ 163,902
Cash taxes paid | $ 15,728 | $ 136,163 | $ 4,468

X
- Definition The cash flows from income taxes paid or refunded. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_35&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncomeTaxesPaidRefund
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_StatementOfCashFlowsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from Interest Received + References No definition available. + Details
Name: | oncyf_ProceedsfromInterestReceived
Namespace Prefix: | oncyf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration