Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Narrative)

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Stockholders' Equity (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2018
Jul. 31, 2017
Jul. 31, 2017
May 31, 2017
Jul. 31, 2017
Oct. 31, 2018
Oct. 31, 2017
Apr. 30, 2018
Aug. 31, 2017
Number of shares issued for services rendered, value           $ 774,664      
Number of common stock shares sold     179,211            
Sale of stock price per share   $ 2.79 $ 2.79   $ 2.79        
Proceeds from sale of common stock     $ 500,000            
Deferred compensation           435,011      
Stock option, outstanding intrinsic value           0   $ 1,000  
Stock option, exercisable intrinsic value           $ 0   $ 0  
Number of shares issued as compensation           132,848 0    
Unamortized expense           $ 751,447      
Expected amortized weighted average period           2 years 1 month 9 days      
Warrants outstanding, intrinsic value           $ 0   $ 0  
Warrants exercisable, intrinsic value           $ 0   $ 0  
Officers,Directors and Employees [Member]                  
Debt description The shares vest 50% on the date of issuance and 50% on the one-year anniversary of the date of issuance.                
Number of shares issued for services rendered 1,000,000                
Number of shares issued 1,000,000                
Fair value of shares over vesting period $ 990,000                
Employment Agreement [Member]                  
Reduction in accrued salaries   $ 100,000              
Employment Agreement [Member] | Chief Geologist [Member]                  
Number of shares issued for services rendered       37,879   61,110      
Number of shares issued for services rendered, value       $ 100,000   $ 75,000      
Reduction in accrued salaries           $ 12,500      
Employment Agreement [Member] | Chief Geologist [Member] | Minimum [Member]                  
Shares issued price per share           $ 1.06      
Employment Agreement [Member] | Chief Geologist [Member] | Maximum [Member]                  
Shares issued price per share           $ 1.36      
Series C Preferred Stock [Member]                  
Common stock issued upon conversion of shares         3,682,000        
Conversation of stock, shares converted         36,820        
2017 Equity Incentive Plan [Member]                  
Common stock reservation of shares                 1,650,000
Debt description           On January 1st of each year during the term of the Plan (the "Calculation Date"), the aggregate number of shares of Common Stock that are available for issuance shall automatically be increased by such number of shares as is equal to the number of shares sufficient to cause the Share Limit (as defined in the Plan) to equal twenty percent (20%) of the issued and outstanding Common Stock of the Company at such time, provided, however, that if on any Calculation Date the number of shares equal twenty percent (20%) of our total issued and outstanding Common Stock is less than the number of shares of Common Stock available for issuance under the Plan, no change will be made to the aggregate number of shares of Common Stock issuable under the Plan for that year (such that the aggregate number of shares of Common Stock available for issuance under the Plan will never decrease).