Note 4 - Mineral Rights and Properties - Fair Value of Consideration Shares (Details)	9 Months Ended
	Apr. 30, 2019 USD ($)
Net consideration	$ 9,022,055
Royalty Purchase Agreement [Member] | Uranium Royalty Corp [Member]
Fair value of Consideration Shares	9,077,842
Transaction costs	55,787
Net consideration	$ 9,022,055