Annual report pursuant to Section 13 and 15(d)

Acquisition and Disposition (Details Narrative)

v3.10.0.1
Acquisition and Disposition (Details Narrative) - USD ($)
 4 Months Ended 12 Months Ended
Oct. 13, 2017
May 23, 2017
Oct. 30, 2017
Apr. 30, 2018
Apr. 30, 2017
Common stock, par value       $ 0.001 $ 0.001
Preferred stock, par value       $ 0.001 $ 0.001
Impairment expense       $ 6,094,760
Net proceeds from sales of common stock     $ 2,600,000 2,590,004
Gain on extinguishment of liabilities       248,684
Gain from sale of discontinued operations       $ 94,485
Gold King [Member]          
Common stock issued connenation with closing of the merger       1,204,667  
Acquisition consideration fair value per share       $ 4.70  
Quoted trading price on the date of the merger       $ 5,661,935  
Goodwill       6,094,760  
Dataram Memory [Member]          
Purchase price $ 900,000        
Net proceeds from sales of common stock       326,404  
Financing Agreement [Member] | Rosenthal & Rosenthal, Inc [Member]          
Revolving line of credit maximum borrowing capacity       $ 3,500,000  
Financing Agreement [Member] | Rosenthal & Rosenthal, Inc [Member] | Prime Rate [Member]          
Line of credit interest rate, percentage       3.25%  
Financing Agreement [Member] | Rosenthal & Rosenthal, Inc [Member] | Effective Rate [Member]          
Line of credit interest rate, percentage       3.00%  
Financing Agreement [Member] | Dataram Memory [Member] | Rosenthal & Rosenthal, Inc [Member]          
Liabilities related to financing agreement       $ 0  
Series C Preferred Stock [Member]          
Conversion of stock shares converted       45,002  
Number of shares issued for conversion       4,500,180  
Series C Preferred Stock [Member] | Escrow Agreement [Member]          
Number of shares held for escrow   4,500.01      
Holders of Gold King's [Member]          
Number of common shares issued for acquisition   2,446,433      
Common stock, par value   $ 0.001      
Holders of Gold King's [Member] | Series C Preferred Stock [Member]          
Number of common shares issued for acquisition   4,523,589      
Number of common stock options issued in connection with acquisition   231,458      
Holders of Gold King's [Member] | Series C Preferred Stock [Member] | Maximum [Member]          
Number of warrants issued to purchase common stock   452,359      
Copper King [Member] | Series C Convertible Preferred Stock [Member]          
Preferred stock, shares designated   45,000.18      
Preferred stock, par value   $ 0.001      
Copper King [Member] | Series C Preferred Stock [Member]          
Conversion of stock shares converted   4,500,180      
Number of shares issued for conversion   45,500.18