XML 90 R65.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Financial Instruments - Narrative (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017 CAD ($)
Disclosure of detailed information about financial instruments [abstract] |
Short-Term Investment Held In Guaranteed Investment Certificates, Percent | 100.00%
Currency risk | US dollars $ |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Impact of increase in value of currency, amount | $ 0.01
(Increase) decrease in net loss due to change in currency value | (5,056)
Currency risk | British pounds £ |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Impact of increase in value of currency, amount | 0.10
(Increase) decrease in net loss due to change in currency value | 21,492
Currency risk | Euro € |
Disclosure of nature and extent of risks arising from financial instruments [line items] |
Impact of increase in value of currency, amount | 0.10
(Increase) decrease in net loss due to change in currency value | $ 11,736

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

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_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A reference variable for a specific type of market risk, defined in non-percentage terms. Positive value indicates an increase; negative value indicates a decrease. + References No definition available. + Details
Name: | oncyf_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableAmount
Namespace Prefix: | oncyf_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Pre-Tax Earnings + References No definition available. + Details
Name: | oncyf_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings
Namespace Prefix: | oncyf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Short-Term Investment Held In Guaranteed Investment Certificates, Percent + References No definition available. + Details
Name: | oncyf_ShortTermInvestmentHeldInGuaranteedInvestmentCertificatesPercent
Namespace Prefix: | oncyf_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | oncyf_Currency1Axis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | oncyf_Currency1Axis=currency_GBP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | oncyf_Currency1Axis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |