Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
OPERATING ACTIVITIES
Net loss for the period	$ (4,963,537)	$ (5,042,577)
Adjustments to reconcile net loss to cash flows in operating activities
Stock-based compensation	1,378,515	917,386
Depreciation, amortization and accretion	99,180	76,386
Amortization of long-term debt discount	443,867	432,221
Loss from equity-accounted investment	703,605	340,597
Deferred tax benefits	(816)	(1,678)
Foreign exchange loss	193
Changes in operating assets and liabilities
Prepaid expenses and deposits	(78,730)	(85,062)
Other current assets	6,704	128,043
Accounts payable and accrued liabilities	(155,901)	(1,361,171)
Due to a related party	(14,777)	(68,600)
Other liabilities	6,579	(78,977)
NET CASH USED IN OPERATING ACTIVITIES	(2,575,118)	(4,743,432)
FINANCING ACTIVITIES
Proceeds from share issuance, net of issuance costs	14,130,965
NET CASH PROVIDED BY FINANCING ACTIVITIES	14,130,965
INVESTING ACTIVITIES
Purchase of property, plant and equipment	(2,903)	(26,827)
Investment in term deposits	(10,000,000)
Proceeds from redemption of term deposits		11,831,671
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES	(10,002,903)	11,804,844
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	1,552,944	7,061,412
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	6,986,919	7,879,578
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	$ 8,539,863	$ 14,940,990