Consolidated Statements of Capital Deficit (Equity) - USD ($)	Common Stock	Commitment to Issue Shares	Additional Paid-In Capital	Accumulated Deficit	Total
Beginning Balance at Apr. 30, 2018	$ 18,787,998	$ 50,625	$ 1,890,220	$ (39,300,909)	$ (18,572,066)
Beginning Balance (in Shares) at Apr. 30, 2018	89,831,955
Shares issued on exercise of options	$ 94,002		(24,878)		69,124
Shares issued on exercise of options (Shares)	600,000
Shares issued as a debt discount	$ 81,000	(81,000)
Shares issued as a debt discount (Shares)	361,657
Shares issuable as a debt discount			137,233		137,233
Shares issued pursuant to settlement of debt and interest	$ 155,229				155,229
Shares issued pursuant to settlement of debt and interest (Shares)	1,882,503
Share-based payments - vesting			4,434		4,434
Reallocation of vested options to liabilities			(3,502)		(3,502)
Loss for the year				(3,709,657)	(3,709,657)
Ending Balance at Apr. 30, 2019	$ 19,118,229	$ 106,858	1,866,274	(43,010,566)	$ (21,919,205)
Ending Balance (Shares) at Apr. 30, 2019	92,676,115				92,676,115
Shares issued as a debt discount (Shares)	1,054,097	(106,858)
Shares issuable as a debt discount	$ 106,858
Share-based payments - vesting			888		$ 888
Reallocation of vested options to liabilities			(1,820)		(1,820)
Loss for the year				(5,116,750)	(5,116,750)
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