ACQUISITON OF RENO CREEK PROJECT AND NORTH RENO CREEK PROJECT (Details Textual)			12 Months Ended
	May 01, 2018 USD ($) shares	Aug. 09, 2017 USD ($) a shares	Jul. 31, 2018 USD ($) shares	Jul. 31, 2016 USD ($) shares	Jul. 31, 2017 USD ($)
Asset Acquisition [Line Items]
Approved Distribution Amount		$ 1,743,666
Payment To Acquire Assets		$ 909,930	$ 2,940,000	$ 50,000
Asset Acquisition, Equity Interest Issued or Issuable, Additional Number of Shares | shares		241,821
Warrants Issuance Terms		11,308,728 warrants (each a “Warrant”), with each Warrant entitling the holder to acquire one share of the Company at an exercise price of $2.30 per share for a period of five years from the date of issuance. The Warrants have an accelerator clause which provides that, in the event that the closing price of the shares of the Company on its principally traded exchange is equal to or greater than $4.00 per share for a period of 20 consecutive trading days, we may accelerate the expiry date of the Warrants to within 30 days by providing written notice to the holders;
Reimbursable Expenses			483,829
Interest Royalty Percentage On Net Profit		0.50%
Capped Royalty Amount		$ 2,500,000
Shares Issued During Period Value For Asset Acquisition Transaction Cost		$ 283,013
Shares Issued During Period Shares For Asset Acquisition Transaction Cost | shares		217,702
Mineral Properties, Gross			$ 74,997,692		$ 42,755,064
Minimum [Member]
Asset Acquisition [Line Items]
Lease Expiration Period		5 years
Maximum [Member]
Asset Acquisition [Line Items]
Lease Expiration Period		20 years
Common Stock [Member]
Asset Acquisition [Line Items]
Stock Issued During Period, Shares, Acquisitions | shares				1,333,560
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares			353,160
Reno Creek Project [Member]
Asset Acquisition [Line Items]
Payment To Acquire Assets			$ 909,930
Stock Issued During Period, Shares, Acquisitions | shares		14,392,927	11,308,728
General Insurance Expense		$ 340,000
Reimbursable Expenses			$ 483,829
Asset Acquisition Ownership Percentage		100.00%
Asset Acquisition Related Costs		$ 779,509
Shares Issued During Period Value For Asset Acquisition Transaction Cost			$ 283,013
Shares Issued During Period Shares For Asset Acquisition Transaction Cost | shares			217,702
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares			353,160
Area of Land | a		21,465
Mineral Properties, Gross			$ 31,527,870
Reno Creek Project [Member] | Common Stock [Member]
Asset Acquisition [Line Items]
Stock Issued During Period, Shares, Acquisitions | shares			14,634,748
Pacific Road Funds [Member]
Asset Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		97.27%
Bayswater Holdings Inc [Member]
Asset Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		2.73%
Uranerz Energy Corporation [Member]
Asset Acquisition [Line Items]
Payment To Acquire Assets	$ 2,940,000
Asset Acquisition Ownership Percentage	100.00%
Asset Acquisition Related Costs	$ 416,958
Asset Acquisition, Consideration Transferred	$ 5,974,063
Asset Acquisition Equity Interest Issued Or Issuable Number Of Shares | shares	1,625,531
Asset Acquisition Consideration Transferred Equity Interests Issued	$ 2,617,105