Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
COSTS AND EXPENSES
Mineral property expenditures	$ 701,761	$ 1,523,451
General and administrative	2,585,689	2,315,170
Depreciation, amortization and accretion	99,180	76,386
LOSS FROM OPERATIONS	(3,386,630)	(3,915,007)
OTHER INCOME (EXPENSES)
Interest income	5,610	89,181
Interest expenses and finance costs	(890,914)	(885,125)
Loss from equity-accounted investment	(703,605)	(340,597)
Other income	11,186	7,293
OTHER EXPENSES	(1,577,723)	(1,129,248)
LOSS BEFORE INCOME TAXES	(4,964,353)	(5,044,255)
DEFERRED TAX BENEFITS	816	1,678
NET LOSS FOR THE PERIOD	(4,963,537)	(5,042,577)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF INCOME TAXES	62,761	(9,894)
TOTAL COMPREHENSIVE LOSS FOR THE PERIOD	$ (4,900,776)	$ (5,052,471)
NET LOSS PER SHARE, BASIC AND DILUTED (in dollars per share)	$ (0.03)	$ (0.03)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED (in shares)	189,955,499	181,240,702