Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.3.1.900
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Oct. 31, 2015
Apr. 30, 2015
Allowance for accounts receivable $ 92,000 $ 92,000
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 5,000,000 5,000,000
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 2,497,002 982,660
Common stock, shares outstanding 2,497,002 982,660
Convertible Series F [Member]    
Preferred stock, shares issued 0 5,268
Preferred Stock, Shares Outstanding 0 5,268
Convertible Series F-1 [Member]    
Preferred stock, shares issued 0 5,642
Preferred Stock, Shares Outstanding 0 5,642
Convertible Series G [Member]    
Preferred stock, shares issued 0 2,088
Preferred Stock, Shares Outstanding 0 2,088
Convertible Series G-1 [Member]    
Preferred stock, shares issued 1,359 3,128
Preferred Stock, Shares Outstanding 1,359 3,128
Preferred Stock, liquidation preference $ 2,789,000 $ 2,789,000
Convertible Series H [Member]    
Preferred stock, shares issued 2,818 0
Preferred Stock, Shares Outstanding 2,818 0
Preferred Stock, liquidation preference $ 209,000 $ 209,000
Convertible Series H-1 [Member]    
Preferred stock, shares issued 8,532 0
Preferred Stock, Shares Outstanding 8,532 0
Preferred Stock, liquidation preference $ 1,348,000 $ 1,348,000