Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
OPERATING ACTIVITIES
Net loss for the period	$ (1,888,661)	$ (2,349,674)	$ (6,931,238)	$ (5,801,100)
Adjustments to reconcile net loss to cash flows in operating activities
Stock-based compensation	798,250	747,342	1,715,636	1,588,866
Depreciation, amortization and accretion			158,138	173,583
Amortization of long-term debt discount	412,580	358,349	844,801	666,120
Gain on disposition of assets			(1,800)	(1,583,764)
Income from equity-accounted investment	(2,704,373)	105,837	(2,363,776)	(282,032)
Deferred tax benefits	(1,932)	(6,798)	(3,610)	(11,966)
Realized loss on available-for-sale securities				799
Changes in operating assets and liabilities
Prepaid expenses and deposits			137,189	(168,785)
Other current assets			140,605	(81,609)
Accounts payable and accrued liabilities			(1,134,749)	(841,344)
Due to a related party			(36,374)	27,531
Other liabilities			(70,616)
NET CASH USED IN OPERATING ACTIVITIES			(7,545,794)	(6,313,701)
FINANCING ACTIVITIES
Proceeds from share issuance, net of issuance costs				21,538,191
NET CASH PROVIDED BY FINANCING ACTIVITIES				21,538,191
INVESTING ACTIVITIES
Investment in mineral rights and properties			(30,000)	(105,000)
Purchase of property, plant and equipment			(30,194)	(19,505)
Investment in term deposits				(18,026,455)
Proceeds from redemption of term deposits			11,831,671
Proceeds from disposition of assets			1,800	4,900
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES			11,773,277	(18,146,060)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH			4,227,483	(2,921,570)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD			7,879,578	8,716,422
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	$ 12,107,061	$ 5,794,852	$ 12,107,061	$ 5,794,852