|
Severance and Other Restructuring Costs (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
|
Apr. 30, 2013
|
|
| Accrual balance at the beginning of the period | $ 330 |
| Severance charges accrued | 212 |
| Severance costs paid | 409 |
| Accrual balance as of April 30, 2013 | $ 133 |