| Date Filed | Type | Description |
| 12/13/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2019 |
| 09/23/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 03/25/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 12/17/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 09/14/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 03/26/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 12/19/2017 |
10-Q/A
| Quarterly Report for the period ended October 31, 2017 [amend] |
| 12/19/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 09/14/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 03/17/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 12/14/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 09/14/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 03/21/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 12/16/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/21/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 03/16/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/15/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 09/22/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 03/17/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/16/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 09/23/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 03/25/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/18/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |