Quarterly report pursuant to Section 13 or 15(d)

Acquisition and Disposition (Details Narrative)

v3.8.0.1
Acquisition and Disposition (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 13, 2017
May 23, 2017
May 31, 2017
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2017
Oct. 31, 2016
Apr. 30, 2017
Common stock shares outstanding       14,156,766   14,156,766   6,932,059
Impairment expense           $ 6,094,760  
Net proceeds from sales of common stock           2,590,004  
Assets discontinued operations       $ 372,086   372,086   $ 0
Gain on extinguishment of liabilities       (245,256)   (245,256)  
Estimated liability       (3,541,868)   (3,541,868)    
Distribution payable       254,744   254,744    
Gain from sale of discontinued operations       102,023 102,023  
Credit Facility [Member]                
Estimated liability       $ 500,000   $ 500,000    
Gold King [Member]                
Common stock shares outstanding       1,204,667   1,204,667    
Acquisition consideration fair value per share           $ 4.70    
Quoted trading price on the date of the Merger       $ 5,661,935   $ 5,661,935    
Goodwill       6,094,760   6,094,760    
Estimated liability       (3,541,868)   (3,541,868)    
Dataram Memory [Member]                
Purchase price $ 900,000              
Net proceeds from sales of common stock           326,404    
Legal and commission expenses           201,510    
Payment of obligations           167,342    
Payable of escrow deposit       204,744   204,744    
Financing Agreement [Member] | Rosenthal & Rosenthal, Inc [Member]                
Revolving line of credit maximum borrowing capacity       $ 3,500,000   $ 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] | 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            
Conversion price per share   $ 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]                
Number of common shares issued for acquisition   45,500.18            
Conversion price per share   $ 0.001            
Conversion of stock shares converted   45,000.18            
Number of shares issued for conversion   4,500,180