Mineral Rights (Details Narrative) - USD ($)				6 Months Ended
	Aug. 31, 2017	May 27, 2016	Jul. 02, 2014	Oct. 31, 2017	Oct. 31, 2016	Jul. 31, 2017	Apr. 30, 2017
Payments to acquire mineral properties				$ 20,479	$ 288,917
Number of options to purchase shares of common stock				231,458			231,458
Common shares fair value				$ 14,157			$ 6,932
Common stock value per share				$ 0.001			$ .001
Sale of stock price per share						$ 2.79
Grant of stock options for the acquisition of mineral rights					$ 184,968
Asset Purchase Agreement [Member] | Gold Bar North Property [Member]
Payments to acquire mineral properties	$ 20,479
Number of common shares issued for acquisitions	15,000
Asset Purchase Agreement [Member] | Copper King Project [Member]
Payments to acquire mineral properties			$ 1,500,000	3,091,738
Percentage of issued and outstanding shares			50.00%
Common stock outstanding value			$ 1,500,000
Purchase price and related transaction costs				3,000,000
Purchase and Sale Agreement [Member] | Keystone Project [Member]
Payments to acquire mineral properties		$ 250,000		(989,968)
Mineral properties cost				1,028,885
Purchase price and related transaction costs				(38,917)
Number of common shares issued for acquisitions		462,500
Number of options to purchase shares of common stock		231,458
Aggregate options term		5 years
Option exercise price per share		$ 3.60
Common shares fair value				$ 555,000
Common stock value per share				$ 1.20
Sale of stock price per share				$ 0.10
Royalty rights description				under the terms of the Purchase and Sale Agreement, Nevada Gold retained additional NSR rights of 0.5% with regard to certain claims and 3.5% with regard to certain other claims.
Royalty percentage				1.00%
Royalty revenue				$ 2,000,000
Purchase and Sale Agreement [Member] | Keystone Project [Member] | Eight Anniversary of Closing Date [Member]
Royalty percentage				1.00%
Royalty revenue				$ 5,000,000