Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Narrative)

Stockholders' Equity (Details Narrative) - USD ($)								1 Months Ended				3 Months Ended	9 Months Ended
Stockholders' Equity (Details Narrative) - USD ($)	Jan. 22, 2018	Jan. 19, 2018	Jan. 03, 2018	Dec. 22, 2017	Nov. 16, 2017	Nov. 10, 2017	May 18, 2017	Oct. 31, 2017	Aug. 31, 2017	Jul. 31, 2017	May 31, 2017	Jul. 31, 2017	Jan. 31, 2018	Jan. 31, 2017	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
Conversion price per share													$ 3.10
Warrants granted to acquire common stock													1,250,000
Warrant exercise price													$ 3.30
Warrants exercisable term													3 years
Common stock, shares issued													16,210,416		6,932,059
Number of shares issued for services rendered, value													$ 665,210
Sale of stock price per share										$ 2.79		$ 2.79
Stock based compensation													665,210	$ 875,000
Number of common stock shares sold										179,211
Proceeds from sale of common stock										$ 500,000
Number of common stock issued during period, value													$ 2,590,004
Stock options expected to vest													38,576
Stock options intrinsic value													$ 0
Chief Geologist [Member]
Number of shares issued for services rendered			7,669	8,929	21,213						37,879
Number of shares issued for services rendered, value			$ 12,500	$ 12,500	$ 37,500						$ 100,000
Shares issued price per share			$ 1.63	$ 1.40	$ 1.76
Reduction in accrued salaries			$ 12,500	$ 12,500	$ 37,500
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
Agreement term range start									3 months
Agreement term range end									12 months
Four Consultants [Member]
Stock based compensation													256,925
Andrew Kaplan [Member]
Shares issued price per share						$ 1.27
Number of shares issued as compensation						12,000
Vesting period						2 years
Number of shares issued as compensation, shares						$ 15,240
Two Former Officers [Member]
Number of shares issued for services rendered					33,681
Number of shares issued for services rendered, value					$ 55,574
Shares issued price per share					$ 1.65
Reduction in accrued salaries					$ 55,574
One Year Consulting Agreement [Member]
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
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]
Legal fees								$ 410,000
Sale of stock price per share								$ 1.80
Number of common stock shares sold								1,388,889
Proceeds from sale of common stock								$ 2,090,000
Consulting Agreement [Member]
Prepaid expenses													23,900
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
Private Placement [Member]
Legal fees													81,000
Net proceeds from private placement													$ 4,900,000
Series E Preferred Stock [Member]
Preferred stock, designated shares		2,500
Preferred stock, par value		$ 0.001
Preferred stock convertible into shares of common stock		2,000
Conversion price per share		$ 2.00											$ 3.10
Number of shares purchased	2,500
Aggregate gross proceeds	$ 5,000,000
Value of purchase price	$ 2,000
Common stock issued upon conversion of shares	1,770,000
Number of common shares issued for conversion of convertible stock	1,770
Common Stock [Member]
Common stock, shares issued													1,204,667
Series C Preferred Stock [Member] \| May 2017 and January 2018 [Member]
Common stock issued upon conversion of shares													4,262,320
Number of common shares issued for conversion of convertible stock													42,623
Equity Incentive Plan [Member]
Common stock reservation of shares									1,650,000
Maximum [Member]
Common stock, shares authorized													200,000,000
Preferred stock, shares authorized													50,000,000
Minimum [Member]
Common stock, shares authorized													54,000,000
Preferred stock, shares authorized													5,000,000