Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Narrative)

v3.7.0.1
Subsequent Events (Details Narrative) - USD ($)
 3 Months Ended 12 Months Ended
Jul. 04, 2017
May 23, 2017
Apr. 30, 2017
Jul. 27, 2017
Apr. 30, 2017
Apr. 30, 2016
Apr. 30, 2015
Subsequent Event [Line Items]              
Common stock, par value     $ .001   $ .001 $ 0.001  
Options term         1 year 2 months 27 days 4 years 1 month 13 days  
Warrants outstanding     33,415   33,415 51,905 275,689
Warrants [Member]              
Subsequent Event [Line Items]              
Warrants outstanding     33,417   33,417 51,906  
Warrants [Member] | Minimum [Member]              
Subsequent Event [Line Items]              
Warrant exercise price     $ 30.00   $ 30.00 $ 30.00  
Warrants [Member] | Maximum [Member]              
Subsequent Event [Line Items]              
Warrant exercise price     $ 42.00   $ 42.00 $ 162.72  
Series A Preferred Stock [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued           11,603  
Preferred stock, shares designated     1,300,000   1,300,000 1,300,000  
Preferred stock, par value     $ 0.01   $ 0.01 $ 0.01  
Conversion of stock shares issued           51,375  
Conversion of stock shares converted           123,300  
Series B Preferred Stock [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued         335,684    
Preferred stock, shares designated     400,000   400,000 400,000  
Preferred stock, par value     $ 12.20   $ 12.20 $ 12.20  
Subsequent Event [Member] | Private Placement [Member]              
Subsequent Event [Line Items]              
Private placement investors amount issued $ 500,000            
Private placement shares issued 179,211            
Private placement per share $ 2.79            
Subsequent Event [Member] | Keystone acquisition [Member]              
Subsequent Event [Line Items]              
Options outstanding   231,458          
Options term   5 years          
Options exercise price   $ 3.60          
Subsequent Event [Member] | Laidlaw And Company (UK) Ltd [Member] | Warrants [Member]              
Subsequent Event [Line Items]              
Warrant outstanding   452,359          
Warrant term   5 years          
Warrant exercise price   $ 2.64          
Subsequent Event [Member] | Board of Directors Chairman [Member]              
Subsequent Event [Line Items]              
Issued shares of common stock percentage     91.00%        
Subsequent Event [Member] | USG Management [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   37,879          
Subsequent Event [Member] | USG Management [Member] | Keystone acquisition [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   462,500          
Subsequent Event [Member] | Common Stock [Member]              
Subsequent Event [Line Items]              
Common stock, par value   $ 0.001          
Subsequent Event [Member] | Common Stock [Member] | USG Management [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   395,833          
Subsequent Event [Member] | Series A Preferred Stock [Member] | Holders of USG [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   1,083,543          
Subsequent Event [Member] | Series B Preferred Stock [Member] | Holders of USG [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   466,678          
Subsequent Event [Member] | Series C Convertible Preferred Stock [Member]              
Subsequent Event [Line Items]              
Preferred stock, shares designated   45,000.18          
Preferred stock, par value   $ 0.001          
Subsequent Event [Member] | Series C Convertible Preferred Stock [Member] | Escrow Agreement [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   4,500.01          
Subsequent Event [Member] | Series C Convertible Preferred Stock [Member] | Copper King [Member]              
Subsequent Event [Line Items]              
Number of common stock shares issued   45,500.18          
Convertible into aggregate shares   4,500,180          
Subsequent Event [Member] | Dataram's Common Stock [Member]              
Subsequent Event [Line Items]              
Maximum number of warrants issued for purchase   62,500          
Subsequent Event [Member] | Dataram's Common Stock [Member] | Minimum [Member]              
Subsequent Event [Line Items]              
Number of shares authorized   333,333          
Subsequent Event [Member] | Dataram's Common Stock [Member] | Maximum [Member]              
Subsequent Event [Line Items]              
Number of shares authorized   583,333          
Subsequent Event [Member] | Series C Preferred Stock [Member]              
Subsequent Event [Line Items]              
Conversion of stock shares issued       36,820      
Conversion of stock shares converted       3,682,000