Annual report pursuant to Section 13 and 15(d)

Securities Purchase Agreement (Details Narrative)

v3.7.0.1
Securities Purchase Agreement (Details Narrative)
 12 Months Ended
Feb. 02, 2017
USD ($)
$ / shares
shares
Aug. 05, 2016
USD ($)
shares
Aug. 03, 2016
$ / shares
shares
Jan. 19, 2016
USD ($)
shares
Oct. 30, 2015
USD ($)
shares
Jul. 31, 2015
USD ($)
Integer
$ / shares
shares
Apr. 30, 2017
USD ($)
$ / shares
shares
Apr. 30, 2016
USD ($)
$ / shares
shares
Jan. 15, 2016
USD ($)
shares
Stock-based compensation expense | $             $ 476,000 $ 624,000  
Number of shares granted             19,889  
Conversion price per share | $ / shares             $ 4.80    
Series A Preferred Stock [Member]                  
Number of common stock shares issued               11,603  
Number of shares converted               123,300  
Number of preferred stock converted to common stock               51,375  
Conversion price per share | $ / shares               $ 11.84  
Number of shares reduction value | $               $ 365,000  
Increase in offset to additional paid in capital | $             $ 233,000 365,000  
Dividend in preferred stock | $               122,000  
Reduction in accumulated dividends | $               $ 233,000  
Preferred stock, dividend rate, percentage               8.00%  
Preferred stock, shares outstanding              
Preferred stock, shares issued              
Preferred stock, shares issued, value | $              
Preferred shares, par value | $ / shares             $ 0.01 $ 0.01  
Series B Preferred Stock [Member]                  
Number of common stock shares issued             335,684    
Conversion price per share | $ / shares             $ 1.83    
Preferred stock, shares outstanding             331,559  
Preferred stock, shares issued             331,559  
Preferred stock, shares issued, value | $             $ 4,045,000  
Preferred shares, par value | $ / shares             $ 12.20 $ 12.20  
Series D Preferred Stock [Member]                  
Preferred stock, shares outstanding              
Preferred stock, shares issued              
Preferred stock, shares issued, value | $              
Preferred shares, par value | $ / shares             $ 136.00 $ 136.00  
Employees, Officers and Board of Directors [Member]                  
Number of shares granted               19,889  
Non-Employees [Member]                  
Number of common stock shares issued               28,000  
Restricted Stock Grants [Member]                  
Number of shares granted             55,083    
Securities Purchase Agreement [Member] | Series B Preferred Stock [Member]                  
Number of shares converted             331,559 4,125  
Number of preferred stock converted to common stock             552,598 6,875  
Conversion price per share | $ / shares             $ 12.20 $ 12.20  
Number of shares reduction value | $             $ 4,045,007 $ 50,325  
Securities Purchase Agreement [Member] | Series B Preferred Stock [Member] | Bridge Notes [Member]                  
Preferred stock, shares issued                 55,083
Preferred stock, shares issued, value | $                 $ 649,967
Extinguishment of debt | $             672,000    
Gain on extinguishment of debt | $             $ 22,033    
Securities Purchase Agreement [Member] | Series D Preferred Stock [Member]                  
Sale of price per share | $ / shares     $ 136.00            
Number of shares converted             7,398    
Number of preferred stock converted to common stock 25   25       184,927    
Conversion price per share | $ / shares $ 5.88                
Preferred stock, designated percentage     0.00%            
Preferred shares, par value | $ / shares     $ 0.001            
Preferred stock dividend shares 3,699                
Non cash dividend | $ $ 544,000                
Securities Purchase Agreement [Member] | Series D Preferred Stock [Member] | Private Placement [Member]                  
Number of common stock shares sold   3,699              
Number of preferred stock converted to common stock   92,500              
Proceeds from issuance of private placement | $   $ 503,000              
Securities Purchase Agreement [Member] | Five Accredited Investors [Member]                  
Number of accredited investors | Integer           5      
Number of common stock shares sold           41,666      
Sale of price per share | $ / shares           $ 12.00      
Number of common stock shares sold, value | $           $ 500,000      
Option Exchange Agreements [Member]                  
Stock-based compensation expense | $       $ 122,000          
Option Exchange Agreements [Member] | 2011 Equity Incentive Plan and 2014 Equity Incentive Plan [Member]                  
Number of common stock shares issued       21,922          
Option Exchange Agreements [Member] | Restricted Stock Grants [Member]                  
Options to purchase of shares       27,256          
Stock Purchase Agreement [Member] | Series A Preferred Stock [Member]                  
Number of preferred shares purchased         20,000        
Proceeds from issuance of preferred stock | $         $ 100,000