Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.7.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Apr. 30, 2017
Oct. 31, 2016
Statement of Financial Position [Abstract]    
Convertible preferred stock, shares authorized 10,000,000 10,000,000
Convertible preferred stock, shares issued 3,936,732 7,374,454
Convertible preferred stock, shares outstanding 3,936,732 7,374,454
Convertible preferred stock, liquidation preference $ 2,585 $ 4,854
Common stock, par value $ 0.001 $ .001
Common stock, shares authorized 250,000,000 250,000,000
Common stock, shares issued 5,723,104 2,782,963
Common stock, shares outstanding 5,723,104 2,782,963