Note 4 - Mineral Rights and Properties - Net Consideration Allocation (Details)	6 Months Ended
	Jan. 31, 2019 USD ($)
Allocation of Consideration	100.00%
Net consideration	$ 9,022,055
Anderson Project [Member]
Allocation of Consideration	63.00%
Net consideration	$ 5,683,895
Workman Creek Project [Member]
Allocation of Consideration	12.00%
Net consideration	$ 1,082,646
Slick Rock Project [Member]
Allocation of Consideration	25.00%
Net consideration	$ 2,255,514