NON-CASH TRANSACTIONS (Details Narrative) - USD ($)	6 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Apr. 30, 2020
Shares Issued, Shares
Shares Issued, Fair Value
Accounts payable and accrued liabilities	1,904,662		$ 1,743,094
Deferred Mineral Property Expenditures [Member]
Accounts payable and accrued liabilities	40,062	52,791
Promissory Notes [Member]
Transfer of Interest Payable to Promissory Note	$ 1,674,717	$ 1,358,420