Going Concern (Details Narrative) - USD ($)		3 Months Ended				6 Months Ended
	Aug. 11, 2020	Oct. 31, 2020	Jul. 31, 2020	Oct. 31, 2019	Jul. 31, 2019	Oct. 31, 2020	Oct. 31, 2019	Apr. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash		$ 7,307,253				$ 7,307,253		$ 2,749,957
Working capital		6,900,000				6,900,000
Accumulated deficit		(37,389,738)				(37,389,738)		$ (31,587,952)
Net loss		$ (4,844,666)	$ (957,120)	$ (2,227,086)	$ (1,308,599)	(5,801,786)	$ (3,535,685)
Cash used in operating activities						$ (3,503,215)	$ (2,838,265)
Proceeds from cash reserves	$ 7,900,000