Income taxes - Schedule of provision for income taxes (Details) - CAD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income taxes paid (refund) [abstract]
Loss before income taxes	$ (52,013,186)	$ (22,710,624)
Statutory federal and provincial tax rate	26.50%	26.50%
Income tax recovery at the statutory tax rate	$ (13,783,494)	$ (6,018,315)
Permanent differences	7,797,290	2,706,000
Other adjustments	6,334,913	0
Change in tax benefits not recognized	(348,709)	3,312,315
Total Income tax expense	$ 0	$ 0

Represents the amount related to tax effect of deferred tax asset not recognized.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the amount related to tax effect of temporary differences.

+ References

No definition available.

+ Details

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- 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
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Balance Type:	credit
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- Definition

The applicable income tax rate.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph g
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_g_ii&doctype=Standard
-URIDate 2019-03-27

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- References

No definition available.

+ Details

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- 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

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- Definition

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

+ References

+ Details

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