Condensed Consolidated Statements of Loss and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2019	Jan. 31, 2018
COSTS AND EXPENSES
Mineral property expenditures	$ 899,217	$ 980,215	$ 1,765,460	$ 2,656,915
General and administrative	2,183,463	2,864,165	4,442,398	5,119,127
Depreciation, amortization and accretion	84,807	89,437	173,583	179,772
	3,167,487	3,933,817	6,381,441	7,955,814
LOSS FROM OPERATIONS	(3,167,487)	(3,933,817)	(6,381,441)	(7,955,814)
OTHER INCOME (EXPENSES)
Interest income	117,078	86,886	174,982	149,868
Interest expenses and finance costs	(813,809)	(756,293)	(1,568,658)	(1,496,585)
(Loss) income from equity-accounted investment	(105,837)	(7,556)	282,032	101,233
Other income	29,819	10,344	96,255	35,834
Gain (loss) on disposition of assets	1,583,764	(474)	1,583,764	(474)
	811,015	(667,093)	568,375	(1,210,124)
LOSS BEFORE INCOME TAXES	(2,356,472)	(4,600,910)	(5,813,066)	(9,165,938)
DEFERRED TAX BENEFITS	6,798	247,097	11,966	256,285
NET LOSS FOR THE PERIOD	(2,349,674)	(4,353,813)	(5,801,100)	(8,909,653)
OTHER COMPREHENSIVE INCOME, NET OF INCOME TAXES	38,232	(247)	38,232	136
TOTAL COMPREHENSIVE LOSS FOR THE PERIOD	$ (2,311,442)	$ (4,354,060)	$ (5,762,868)	$ (8,909,517)
NET LOSS PER SHARE, BASIC AND DILUTED (in dollars per share)	$ (0.01)	$ (0.03)	$ (0.03)	$ (0.06)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED (in shares)	177,061,313	156,207,557	171,729,303	155,170,537