Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2019	Jan. 31, 2018
OPERATING ACTIVITIES
Net Loss for the Period	$ (2,349,674)	$ (4,353,813)	$ (5,801,100)	$ (8,909,653)
Adjustments to reconcile net loss to cash flows in operating activities
Stock-based compensation	747,342	974,095	1,588,866	1,614,774
Depreciation, amortization and accretion			173,583	179,772
Amortization of long-term debt discount	358,349	308,409	666,120	605,831
(Gain) loss on disposition of assets			(1,583,764)	474
Deferred tax benefits	(6,798)	(247,097)	(11,966)	(256,285)
Income from equity-accounted investment	105,837	7,556	(282,032)	(101,233)
Realized loss on available-for-sale securities			799
Reimbursable Expenses for Reno Creek Acquisition				483,829
Changes in operating assets and liabilities
Prepaid expenses and deposits			(168,785)	(195,020)
Other current assets			(81,609)	(9,126)
Accounts payable and accrued liabilities			(841,344)	(208,096)
NET CASH FLOWS USED IN OPERATING ACTIVITIES			(6,341,232)	(6,794,733)
FINANCING ACTIVITIES
Shares issued for cash, net of issuance costs			21,538,191	103,300
Due to a related party			27,531	635
NET CASH FLOWS PROVIDED BY FINANCING ACTIVITIES			21,565,722	103,935
INVESTING ACTIVITIES
Net cash and restricted cash received from asset acquisition				289,038
Investment in mineral rights and properties			(105,000)	(70,000)
Purchase of property, plant and equipment			(19,505)	(6,338)
Increase in other long-term assets				(201,160)
Purchase of short-term investments			(18,026,455)	(20,285,190)
Redemption of short-term investments				18,101,275
Proceeds from disposition of assets			4,900
NET CASH USED IN INVESTING ACTIVITIES			(18,146,060)	(2,172,375)
NET CASH FLOWS			(2,921,570)	(8,863,173)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD			8,716,422	14,282,001
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	$ 5,794,852	$ 5,418,828	$ 5,794,852	$ 5,418,828