Summary of Significant Accounting Policies (Details Narrative) - USD ($)	3 Months Ended	6 Months Ended
	Oct. 31, 2019	Oct. 31, 2019
Impairment of goodwill
Income tax examination, likelihood of unfavorable settlement		Tax positions that meet the more likely than not recognition threshold are measured at the largest amount of tax benefit that is more than 50 percent likely of being realized upon settlement with the applicable taxing authority.
Series F Convertible Preferred Shares [Member]
Preferred stock, deemed dividend	$ 0	$ 2,022,712