|
Stock Compensation Plans (Details)
|
9 Months Ended |
|---|---|
|
Oct. 31, 2012
|
|
| Available for Grant | |
| Balances at the beginning of the period (in shares) | 3,315,989 |
| Additional Shares Authorized | 10,000,000 |
| Options granted (in shares) | (3,549,276) |
| RSUs granted (in shares) | (401,724) |
| Options forfeited (in shares) | 955,819 |
| RSU's forfeited (in shares) | 2,500 |
| Balances at the end of the period (in shares) | 10,323,308 |