Stockholders' Equity (Details Narrative) - USD ($)		1 Months Ended				6 Months Ended
	May 18, 2017	Aug. 31, 2017	Jul. 31, 2017	May 31, 2017	May 31, 2017	Oct. 31, 2017	Oct. 31, 2016	Apr. 30, 2017
Reverse stock split						one (1) for four (4) basis
Common stock, shares authorized						200,000,000		200,000,000
Preferred stock, shares authorized						50,000,000		50,000,000
Preferred stock, par value						$ 0.001		$ 0.001
Common stock shares outstanding						14,156,766		6,932,059
Common stock shares issued						14,156,766		6,932,059
Stock based compensation						$ 520,249	$ 837,500
Number of common stock shares sold			179,211
Sale of stock price per share			$ 2.79
Proceeds from sale of common stock			$ 500,000
Stock options expected to vest						67,508
Stock options intrinsic value						$ 0
Chief Geologist [Member]
Number of shares issued for services rendered					37,879
Number of shares issued for services rendered, value					$ 100,000
Officers And Employees [Member]
Number of shares issued for services rendered		195,525
Number of shares issued for services rendered, value		$ 467,305
Shares issued price per share		$ 2.39
Stock based compensation		$ 467,305
Five Directors [Member]
Number of shares issued for services rendered		6,462
Number of shares issued for services rendered, value		$ 15,444
Shares issued price per share		$ 2.39
Stock based compensation		$ 15,444
Four Consultant [Member]
Number of shares issued for services rendered		117,500
Number of shares issued for services rendered, value		$ 280,825
Shares issued price per share		$ 2.39
Stock based compensation		$ 234,021
Agreement term range start		3 months
Agreement term range end		12 months
Prepaid expenses		$ 46,804
One Year Consulting Agreement [Member]
Common stock shares issued	1,204,667
Number of shares issued for services rendered	125,000
Number of shares issued for services rendered, value	$ 150,000
Shares issued price per share	$ 1.20
Stock based compensation	$ 12,500
Sale of stock price per share	$ 0.10
Employment Agreement [Member] | Chief Geologist [Member]
Number of shares issued for services rendered		29,412
Number of shares issued for services rendered, value		$ 75,000
Shares issued price per share		$ 2.55
Stock based compensation						37,500
Reduction in accrued salaries						$ 137,500
Underwriting Agreement [Member]
Number of common stock shares sold						1,388,889
Sale of stock price per share						$ 1.80
Proceeds from sale of common stock						$ 2,090,000
Legal fees						$ 410,000
Purchase and Sale Agreement [Member] | Nevada Gold [Member]
Shares issued price per share		$ 2.39
Payments to acquire business		$ 20,479
Number of common stock issued during period		15,000
Number of common stock issued during period, value		$ 35,850
Common Stock [Member]
Preferred stock convertible into shares of common stock						$ 1.00
Equity Incentive Plan [Member]
Common stock reservation of shares		1,650,000
Series C Preferred Stock [Member]
Preferred stock, designated shares				45,002	45,002
Preferred stock, par value				$ 0.001	$ 0.001
Preferred stock convertible into shares of common stock				1,000
Preferred stock liquidation preference				$ 0.001	$ 0.001
Number of common shares issued for conversion of convertible stock						4,050,162
Series C Preferred Stock [Member] | May 2017 and September 2017 [Member]
Number of common shares issued for conversion of convertible stock						40,500
Minimum [Member]
Common stock, shares authorized						54,000,000
Preferred stock, shares authorized						5,000,000
Maximum [Member]
Common stock, shares authorized						200,000,000
Preferred stock, shares authorized						50,000,000