Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.2.0.727
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Apr. 30, 2015
Apr. 30, 2014
Allowance for accounts receivable $ 92,000 $ 100,000
Debt discount of senior secured convertible notes $ 0 $ 853,000
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 2,088  
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 982,660 632,417
Common stock, shares outstanding 982,660 632,417
Convertible Series E [Member]    
Preferred stock, shares issued 0 2,438
Preferred Stock, Shares Outstanding 0 2,438
Preferred Stock, liquidation preference $ 0 $ 5,617,000
Convertible Series F [Member]    
Preferred stock, par value $ 301.81  
Preferred stock, shares issued 5,268 0
Preferred Stock, Shares Outstanding 5,268 0
Preferred Stock, liquidation preference $ 8,706,233 $ 8,706,233
Convertible Series F-1 [Member]    
Preferred stock, shares issued 5,642 0
Preferred Stock, Shares Outstanding 5,642 0
Preferred Stock, liquidation preference $ 9,247,065 $ 9,247,065
Convertible Series G [Member]    
Preferred stock, par value $ 350.43  
Preferred stock, shares issued 2,088 0
Preferred Stock, Shares Outstanding 2,088 2,088
Preferred Stock, liquidation preference $ 4,206,577 $ 4,206,577
Convertible Series G-1 [Member]    
Preferred stock, shares issued 3,128 0
Preferred Stock, Shares Outstanding 3,128 0
Preferred Stock, liquidation preference $ 6,269,028 $ 6,269,028