|
Net loss per share (Details 1)
In Thousands, unless otherwise specified |
Oct. 31, 2012
|
Oct. 31, 2011
|
|---|---|---|
| Summary of diluted net loss per common share | ||
| Total antidilutive securities | 36,815 | 129,844 |
|
Shares subject to outstanding common stock options and warrants [Member]
|
||
| Summary of diluted net loss per common share | ||
| Total antidilutive securities | 31,137 | 29,914 |
|
Redeemable convertible preferred stock [Member]
|
||
| Summary of diluted net loss per common share | ||
| Total antidilutive securities | 29,365 | |
|
Convertible preferred stock [Member]
|
||
| Summary of diluted net loss per common share | ||
| Total antidilutive securities | 67,586 | |
|
Shares subject to repurchase [Member]
|
||
| Summary of diluted net loss per common share | ||
| Total antidilutive securities | 4,338 | 2,879 |
|
Shares subject to unvested restricted stock awards [Member]
|
||
| Summary of diluted net loss per common share | ||
| Total antidilutive securities | 1,340 | 100 |