| Date Filed | Type | Description |
| 03/16/2023 |
10-Q
| Quarterly Report for the period ended January 31, 2023 |
| 09/14/2022 |
10-Q
| Quarterly Report for the period ended July 31, 2022 |
| 06/14/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 03/16/2022 |
10-Q
| Quarterly Report for the period ended January 31, 2022 |
| 09/14/2021 |
10-Q
| Quarterly Report for the period ended July 31, 2021 |
| 06/14/2021 |
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 |
| 09/14/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 06/15/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 03/16/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 09/16/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 07/03/2019 |
10-Q/A
| Quarterly Report for the period ended April 30, 2019 [amend] |
| 06/13/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 05/13/2019 |
10-Q/A
| Quarterly Report for the period ended January 31, 2019 [amend] |
| 03/18/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 09/13/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 06/14/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 03/19/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 09/14/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 06/14/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 08/22/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 08/22/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 09/20/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 06/14/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 03/17/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 10/15/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 06/19/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 03/23/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 09/18/2008 |
10-Q/A
| Quarterly Report for the period ended July 31, 2008 [amend] |
| 09/15/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |