XML 60 R43.htm IDEA: XBRL DOCUMENT v3.20.2
MINERAL PROPERTY INTEREST AND DEFERRED DEVELOPMENT COSTS (Details Narrative) - Idaho [Member]
12 Months Ended
Apr. 30, 2020
Mineral Leases Interest 100.00%
Number of Mineral Leases 11
Mineral Royalty The State of Idaho mineral leases are subject to a 5% production royalty on gross sales.