Quarterly report pursuant to Section 13 or 15(d)

Condensed Balance Sheets (Parenthetical)

v3.7.0.1
Condensed Balance Sheets (Parenthetical) - USD ($)
Jul. 31, 2017
Oct. 31, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000
Series B preferred stock, shares issued 0 0
Series B preferred stock, shares outstanding 0 0
Preferred stock, liquidation preference value $ 0 $ 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 65,000,000 65,000,000
Common stock, shares issued 40,996,342 40,057,067
Common stock, shares outstanding 40,996,342 40,057,067
Treasury stock, shares 0 16,020