Description of Operations and Basis of Presentation (Details Narrative) - USD ($)	3 Months Ended		12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Apr. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net cash used in operating activities	$ 7,063,069	$ (57,257)	$ 6,000,000
Net sales	35,481,917	12,930,726	85,900,000
Net loss	(854,506)	$ (91,251)
Cash and cash equivalents	$ 8,955,672		$ 3,912,135