Income Taxes - Summary of Income Tax Expense (Recovery) (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Line Items]
Current tax expense	$ 5,067,182	$ 5,119,062
Deferred tax recovery	(3,440,121)	(2,407,176)
Total tax expense	1,627,061	2,711,886
Net income before tax – All jurisdictions	9,839,545	15,727,803
Tax expense at statutory income tax rates	2,656,677	4,259,890
Permanent differences	(50,235)	503,964
Income attributable to non-controlling interest	(1,192,280)	(2,245,809)
Foreign income taxed at different rates	33,189	(26,042)
Impact of change in tax rates	26,902	216,295
Other	152,808	3,588
Canada [Member]
Income Tax Disclosure [Line Items]
Net income before tax – All jurisdictions	6,889,481	5,957,089
United States [Member]
Income Tax Disclosure [Line Items]
Net income before tax – All jurisdictions	$ 2,950,064	$ 9,770,714