| Date Filed | Type | Description |
| 11/28/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 09/07/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 03/01/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 12/02/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 09/08/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 03/08/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 12/08/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/02/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 03/06/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/05/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 09/04/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 03/06/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 11/26/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 09/04/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 03/14/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/05/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 09/07/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |