Commitments and Contingencies (Details Narrative)	6 Months Ended
	Oct. 31, 2020 USD ($) a $ / T
Minimum royalty payments percentage	100.00%
Maggie Creek [Member]
Undivided interest Percentage	0.50
Payment to initial earn in amount | $	$ 250,000
NumberCo [Member]
Undivided interest Percentage	0.50
State of Wyoming Mining Lease One [Member]
Area of land | a	640
Lease renewed date	Feb. 28, 2013
Lease term	10 years
Lease annual payment per acre	2.00
Lease annual payment per acre third ten year term	3.00
Lease annual payment per acre thereafter	4.00
State of Wyoming Mining Lease Two [Member]
Area of land | a	480
Lease renewed date	Feb. 28, 2014
Lease term	10 years
Lease annual payment per acre	2.00
Lease annual payment per acre third ten year term	3.00
Lease annual payment per acre thereafter	4.00