| Date Filed | Type | Description |
| 08/28/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 05/24/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 11/30/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 08/29/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 05/25/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 12/03/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/01/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 05/28/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 12/04/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 08/27/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 05/29/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 12/10/2013 |
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 |
| 06/05/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 12/04/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 09/13/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |