|
Income Taxes (Details 2)
|
12 Months Ended | ||
|---|---|---|---|
|
Oct. 31, 2012
|
Oct. 31, 2011
|
Oct. 31, 2010
|
|
| Income tax rate reconciliation: | |||
| Provision at statutory rate | 35.00% | 35.00% | 35.00% |
| State taxes | (0.64%) | 0.27% | (0.07%) |
| Foreign taxes | (5.09%) | 2.32% | (4.56%) |
| Research and development credit | 10.21% | 11.03% | 2.54% |
| Non-deductible compensation and other | (4.92%) | (3.96%) | (1.43%) |
| Valuation allowance | (41.48%) | (48.74%) | (32.07%) |
| Effective income tax rate | (6.92%) | (4.08%) | (0.59%) |