| Date Filed | Type | Description |
| 09/16/2022 |
10-Q
| Quarterly Report for the period ended July 31, 2022 |
| 06/21/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 04/15/2022 |
10-Q
| Quarterly Report for the period ended January 31, 2022 |
| 09/20/2021 |
10-Q
| Quarterly Report for the period ended July 31, 2021 |
| 06/21/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 03/26/2021 |
10-Q
| Quarterly Report for the period ended January 31, 2021 |
| 09/21/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 06/22/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 05/22/2020 |
10-Q/A
| Quarterly Report for the period ended January 31, 2020 [amend] |
| 04/29/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 09/10/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 06/17/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 04/19/2019 |
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 |
| 09/24/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 06/20/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 05/04/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 09/19/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 06/19/2017 |
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 |
| 09/14/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/14/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/16/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 09/21/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 07/09/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/17/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 09/15/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 06/23/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/11/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 09/27/2013 |
10-Q/A
| Quarterly Report for the period ended July 31, 2013 [amend] |
| 09/23/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/28/2013 |
10-Q/A
| Quarterly Report for the period ended April 30, 2013 [amend] |
| 06/19/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 04/02/2013 |
10-Q/A
| Quarterly Report for the period ended January 31, 2013 [amend] |
|