Condensed Interim Consolidated Statements of Capital Deficit (Equity) (Unaudited) - USD ($)	Common Stock	Commitment to Issue Shares	Additional Paid-In Capital	Accumulated Deficit [Member]	Total
Beginning Balance at Apr. 30, 2019	$ 19,118,229	$ 106,858	$ 1,866,274	$ (43,010,566)	$ (21,919,205)
Beginning Balance (in Shares) at Apr. 30, 2019	92,676,115
Share-based payments - vesting			888		888
Reallocation of vested options to liabilities			(1,820)		(1,820)
Loss for the period				(2,624,163)	(2,624,163)
Ending Balance at Oct. 31, 2019	$ 19,118,229	106,858	1,865,342	(45,634,729)	(24,544,300)
Ending Balance (Shares) at Oct. 31, 2019	92,676,115
Shares issued as a debt discount	$ 106,858	(106,858)
Shares issued as a debt discount (Shares)	1,054,097
Ending Balance at Apr. 30, 2020	$ 19,225,087		1,865,342	(48,127,316)	$ (27,036,887)
Ending Balance (Shares) at Apr. 30, 2020	93,730,212				93,730,212
Adoption of ASU 2018-07 adjustment				16,541	$ 16,541
Loss for the period				(2,387,696)	(2,387,696)
Ending Balance at Oct. 31, 2020	$ 19,225,087		$ 1,865,342	$ (50,498,471)	$ (29,408,042)
Ending Balance (Shares) at Oct. 31, 2020	93,730,212				93,730,212