Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
4 Months Ended 12 Months Ended
Jan. 31, 2018
Oct. 30, 2017
Apr. 30, 2018
Apr. 30, 2017
Apr. 30, 2016
Net loss     $ 13,658,495 $ 4,148,461  
Cash     7,646,279 6,820,623 $ 305,661
Net proceeds from sales of common stock   $ 2,600,000 2,590,004  
Proceeds from convertible preferred stock and warrants     4,916,120  
Impairment of goodwill     $ 6,094,760    
Income tax corporate percentage     29.70% 34.00%  
Adjustment in deferred tax assets and valuation of allowance     $ 2,100,000    
Alternative Minimum Tax [Member]          
Income tax description     Among other things, the Act reduced the U.S. federal corporate tax rate from 34 percent to 21 percent as of January 1, 2018 and eliminated the alternative minimum tax ("AMT") for corporations.    
Income tax corporate percentage     21.00%    
Series E Preferred Stock [Member]          
Proceeds from convertible preferred stock and warrants $ 4,900,000