PROMISSORY NOTES (Details Narrative) - USD ($)	12 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Accretion Expense	$ (60,348)	$ (281,800)
Third Promissory Notes [Member]
Interest Rate	12.00%	12.00%
Interest Terms	Interest is to be paid either in cash, in common shares or deemed an advance of principal at the option of the Lender. A 5% late payment penalty may apply if payment is not paid within ten days after the due date.	Interest is to be paid either in cash, in common shares or deemed an advance of principal at the option of the Lender. A 5% late payment penalty may apply if payment is not paid within ten days after the due date.
Interest Recorded	$ 2,720,332	$ 2,409,966
Interest Capitalized to Mineral Property Interest		207,266
Interest Expense	$ 2,720,332	2,202,700
Debt Conversion	During the year ended April 30, 2020, the Lender elected to have interest payable from December 1, 2018 to November 30, 2019 of $2,584,313 deemed as advances.
Accretion Expense		227,968
Unamortized Debt Discount
Forth Promissory Note [Member]
Promissory Notes Description		On March 13, 2017, the Company entered into a loan agreement with an arm’s-length lender pursuant to which CAD$250,000 ($186,846) was advanced to the Company (the “Fourth Promissory Notes”).
Interest Rate		12.00%
Interest Recorded		$ 16,233
Debt Conversion		On January 22, 2019, the Company issued 1,882,503 common shares at the fair value of $155,229 as full settlement of CAD$283,699 ($212,989) of principal and accrued interest, resulting in a gain on debt settlement of $57,760.
Accretion Expense		$ 7,322
Fifth Promissory Note [Member]
Promissory Notes Description	On September 11, 2018, the Company entered into a Loan Agreement with the Lender pursuant to which up to $2,500,000 will be advanced to the Company in tranches (the “Fifth Promissory Notes”).	On September 11, 2018, the Company entered into a Loan Agreement with the Lender pursuant to which up to $2,500,000 will be advanced to the Company in tranches (the “Fifth Promissory Notes”).
Promissory Notes Advances	$ 2,500,000	$ 1,820,000
Interest Rate	14.00%	14.00%
Interest Terms	Interest is to be paid either in cash, in common shares or deemed an advance of principal at the option of the Lender. A 5% late payment penalty may apply if payment is not paid within ten days after the due date.	Interest is to be paid either in cash, in common shares or deemed an advance of principal at the option of the Lender. A 5% late payment penalty may apply if payment is not paid within ten days after the due date.
Interest Recorded	$ 354,031	$ 102,686
Debt Conversion	During the year ended April 30, 2020, the Lender elected to have interest payable from December 1, 2018 to November 30, 2019 of $276,638 deemed as advances.
Accretion Expense	$ 60,348	46,511
Unamortized Debt Discount		$ 60,348
Sixth Promissory Notes [Member]
Promissory Notes Description	On October 25, 2019, the Company entered into a Loan Agreement with the Lender pursuant to which up to $700,000 will be advanced to the Company in tranches (the “Sixth Promissory Notes”). On January 20, 2020, the Company entered into an amending agreement whereby the Lender agreed to advance an additional $600,000 under the same terms as the Sixth Promissory Notes.
Promissory Notes Advances	$ 1,300,000
Interest Rate	14.00%
Interest Terms	Interest is payable semi-annually as calculated on May 31st and November 30th of each year. Interest is to be paid either in cash, in common shares or deemed an advance of principal at the option of the Lender. A 5% late payment penalty may apply if payment is not paid within ten days after the due date.
Interest Recorded	$ 52,461
Debt Conversion	During the year ended April 30, 2020, the Lender elected to have interest payable from November 1, 2019 to November 30, 2019 of $2,781 deemed as advances.