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Accrued Liabilites (Tables)
12 Months Ended
Jul. 31, 2019
Payables and Accruals [Abstract]  
Schedule of accrued liabilities
   2019  2018
General accrual  $1,887   $1,715 
Interest  $47,802   $38,002 
Distributions and royalty  $15,416   $22,345 
Advances for well work  $65,879   $170,518 
Winnemucca Property  $381,770   $—   
Investment funds to be used for the development of future properties  $125,000   $95,000 
   $637,754   $327,580