| Date Filed | Type | Description |
| 08/18/2023 |
10-Q
| Quarterly Report for the period ended July 31, 2023 |
| 05/19/2023 |
10-Q
| Quarterly Report for the period ended April 30, 2023 |
| 08/19/2022 |
10-Q
| Quarterly Report for the period ended July 31, 2022 |
| 05/20/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 02/18/2022 |
10-Q
| Quarterly Report for the period ended January 31, 2022 |
| 08/20/2021 |
10-Q
| Quarterly Report for the period ended July 31, 2021 |
| 05/21/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 02/19/2021 |
10-Q
| Quarterly Report for the period ended January 31, 2021 |
| 08/21/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 05/22/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 02/21/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 08/26/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 05/24/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 02/25/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 08/24/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 05/25/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 02/23/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 08/18/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 05/19/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 02/17/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 08/22/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 05/24/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 02/22/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 08/24/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 05/22/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 02/24/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 08/25/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 05/27/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 02/26/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 08/30/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 05/31/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/01/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 08/31/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 06/01/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
|