| Date Filed | Type | Description |
| 06/21/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 03/17/2021 |
10-Q
| Quarterly Report for the period ended January 31, 2021 |
| 12/21/2020 |
10-Q
| Quarterly Report for the period ended October 31, 2020 |
| 06/22/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 03/20/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 12/16/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2019 |
| 06/19/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 04/16/2019 |
10-Q/A
| Quarterly Report for the period ended January 31, 2019 [amend] |
| 03/25/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 12/21/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 06/11/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 03/16/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 12/14/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 06/15/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 03/22/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 01/17/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 07/21/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 07/21/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 01/14/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 06/05/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/06/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/12/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 06/06/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/07/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/09/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 06/10/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/11/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/10/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 06/11/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/12/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 12/12/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 06/03/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 03/10/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/10/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
|