Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

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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