Segmented Information - Summary of Revenues Relating to Geographic Segments (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 106,172,165	$ 120,385,274
Canada and Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	181,372	225,807
United States [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 105,990,793	$ 120,159,467

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

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