XML 67 R41.htm IDEA: XBRL DOCUMENT
v3.20.4

Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Disclosure of detailed information about financial instruments [abstract] |
Schedule of balances in foreign currencies | Balances in foreign currencies at December 31, 2020 are as follows:
| U.S. dollars $ | British pounds £ | Euro €
Cash and cash equivalents | 23,134,113 | 26,768 | 37,347
Accounts payable and other liabilities | (455,588) | (2,244) | (930)
Warrant derivative | (417,238) | — | —
| 22,261,287 | 24,524 | 36,417

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 Schedule Of Foreign Currency Held [Table Text Block] + References No definition available. + Details
Name: | oncyf_ScheduleOfForeignCurrencyHeldTableTextBlock
Namespace Prefix: | oncyf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration