XML 51 R69.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Income Taxes - Provision for Income Taxes (Details) - CAD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure of income tax [Abstract]
Loss before income taxes	$ (33,122,888)	$ (16,489,183)	$ (15,475,353)
Statutory Canadian corporate tax rate	26.50%	27.00%	27.00%
Anticipated tax recovery	$ (8,777,565)	$ (4,452,079)	$ (4,178,345)
Foreign jurisdiction tax rate difference	3,088,811	3,312,963	2,899,190
Employee share based compensation	389,591	382,275	156,250
Change in fair value of warrant derivative	3,341,334	0	0
Impact of Alberta rate change	3,758,175	0	0
Adjustment to opening tax pools	11,973	(238,222)	162,162
Other permanent differences	149,294	(35,912)	53,039
Change in deferred tax benefits deemed not probable to be recovered	(1,961,613)	1,579,017	1,051,725
Current income taxes	0	548,042	144,021
Adjustment in respect to prior periods	0	0	(2,523)
Net current tax expense	$ 0	$ 548,042	$ 141,498

X

- Definition

The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_AccountingProfit
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Adjustments of tax expense (income) recognised in the period for current tax of prior periods.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 80
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_80_b&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 80
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_80_a&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_CurrentTaxExpenseIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of current tax expense (income) and adjustments for the current tax of prior periods. [Refer: Current tax expense (income); Adjustments for current tax of prior periods]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 80
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_80&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to changes in the tax rate. [Refer: Accounting profit]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_TaxEffectFromChangeInTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to expenses not deductible in determining taxable profit (tax loss). [Refer: Accounting profit]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to foreign tax rates. [Refer: Accounting profit]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_TaxEffectOfForeignTaxRates
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_i&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_TaxExpenseIncomeAtApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Disclosure of income tax [Abstract]

+ References

No definition available.

+ Details

Name:	oncyf_DisclosureofincometaxAbstract
Namespace Prefix:	oncyf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tax Effect Of Change in Fair Value Of Warrant Derivative

+ References

No definition available.

+ Details

Name:	oncyf_TaxEffectOfChangeinFairValueOfWarrantDerivative
Namespace Prefix:	oncyf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Tax Effect Of Stock Based Compensation

+ References

No definition available.

+ Details

Name:	oncyf_TaxEffectOfStockBasedCompensation
Namespace Prefix:	oncyf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Tax Effect Of Tax Pools

+ References

No definition available.

+ Details

Name:	oncyf_TaxEffectOfTaxPools
Namespace Prefix:	oncyf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount1

+ References

No definition available.

+ Details

Name:	oncyf_ValuationAllowanceDeferredTaxAssetIncreaseDecreaseAmount1
Namespace Prefix:	oncyf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration