Accrued Liabilites (Details) - USD ($)	Jul. 31, 2020	Jul. 31, 2019
Accrued liabilities	$ 437,632	$ 637,754
General Accrual
Accrued liabilities	2,444	1,887
Interest
Accrued liabilities	62,597	47,802
Distributions and Royalty
Accrued liabilities	15,416	15,416
Advances for Well Work
Accrued liabilities	23,175	65,879
Winnemucca Property
Accrued liabilities	334,000	381,770
Investment Funds to be Used for the Development of Future Properties
Accrued liabilities	$ 0	$ 125,000