Going Concern (Details Narrative) - USD ($)		3 Months Ended
	Jun. 19, 2019	Jul. 31, 2019	Jul. 31, 2018	Apr. 30, 2019
Cash		$ 3,538,706		$ 2,197,181
Working capital		3,900,000
Accumulated deficit		(29,606,413)		$ (26,275,102)
Net loss		(1,308,599)	$ (1,481,504)
Cash used in operating activities		$ (1,059,677)	$ (1,451,987)
Series F Preferred Stock [Member] | Securities Purchase Agreement [Member]
Number of shares sold	1,250
Number of shares sold, value	$ 2,500,000