v3.20.2

Income taxes (Tables)

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes differs from the result that would be obtained by applying the statutory tax rate of 21% (2018 - 21%) to income before income taxes. The difference results from the following items:

		December 31, 2019				December 31, 2018
Computed expected benefit of income taxes		$	(1,891,163	)		$	(865,648	)
Stock-based compensation			1,286,201				332,082
Non-deductible interest expense			25,722				25,658
Impact of change in tax rate			—				5,163,267
Expiry of tax credits			18,486				—
True up of prior year balances			37,917				—
Increase (decrease) in valuation allowance			522,837				(4,655,359	)
Income tax provision		$	—			$	—

		December 31, 2018		December 31, 2017
Computed expected benefit of income taxes	$	(865,648)	$	(966,289)
Stock-based compensation		332,082		68,037
Non-deductible interest expense		25,658		52,648
Impact of change in tax rate		5,163,267		-
Increase (decrease) in valuation allowance		(4,655,359)		845,604
Income tax provision	$	-	$	-

Schedule of Deferred Tax Assets and Liabilities

The components of the net deferred income tax asset, the statutory tax rate and the amount of the valuation allowance are as follows:

		December 31, 2019				December 31, 2018
Net operating loss carried forward		$	44,625,741			$	42,136,043
Tax rate			21	%			21	%
Deferred income tax assets			9,371,406				8,848,569
Valuation allowance			(9,371,406	)			(8,848,569	)
Net deferred income tax asset		$	—			$	—

		December 31, 2018		December 31, 2017
Net operating loss carried forward	$	42,136,043	$	39,717,436
Tax rate		21%		34%
Deferred income tax assets		8,848,569		13,503,928
Valuation allowance		(8,848,569)		(13,503,928)
Net deferred income tax asset	$	-	$	-

Summary of Operating Loss Carryforwards

Fiscal Year		Amount	Expiry Date
2000	$	4,425,866	2020
2001		3,681,189	2021
2002		2,503,951	2022
2003		2,775,900	2023
2004		1,250,783	2024
2005		1,304,283	2025
2006		1,532,322	2026
2007		1,479,818	2027
2008		1,599,919	2028
2009		1,723,146	2029
2010		822,678	2030
2011		1,746,615	2031
2012		1,638,421	2032
2013		2,568,328	2033
2014		2,855,631	2034
2015		2,761,513	2035
2016		2,471,978	2036
2017		2,487,072	2037
2018		2,238,048	2038
2019		2,758,280	2039
Total	$	44,625,741

Fiscal Year		Amount	Expiry Date
1999	$	88,022	2019
2000		4,425,866	2020
2001		3,681,189	2021
2002		2,503,951	2022
2003		2,775,900	2023
2004		1,250,783	2024
2005		1,304,283	2025
2006		1,532,322	2026
2007		1,479,818	2027
2008		1,599,919	2028
2009		1,723,146	2029
2010		822,678	2030
2011		1,746,615	2031
2012		1,638,421	2032
2013		2,568,328	2033
2014		2,855,631	2034
2015		2,761,513	2035
2016		2,471,978	2036
2017		2,487,072	2037
2018		2,418,608	2038
Total	$	42,136,043

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.

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