XML 98 R84.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity - Schedule of Changes in Non-Vested Shares Under Option, Excluding Performance Based Options (Detail)
12 Months Ended
Oct. 31, 2015
$ / shares
shares
Shares  
Non-vested, beginning of year (shares) | shares 1,121,336
Granted (shares) | shares 9,990,000
Vested (shares) | shares (1,016,335)
Canceled (shares) | shares (183,334)
Non-vested, end of year (shares) | shares 9,911,667
Weighted Average Grant Date Fair Value  
Non-vested, beginning of year (usd per share) | $ / shares $ 4.18
Granted (usd per share) | $ / shares 0.64
Vested (usd per share) | $ / shares 2.95
Canceled (usd per share) | $ / shares 5.20
Non-vested, end of year (usd per share) | $ / shares $ 0.72