| Date Filed | Type | Description |
| 04/26/2023 |
10-K
| Annual Report for the period ended January 31, 2023 |
| 12/09/2022 |
10-Q
| Quarterly Report for the period ended October 31, 2022 |
| 09/13/2022 |
10-Q
| Quarterly Report for the period ended July 31, 2022 |
| 06/10/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 04/14/2022 |
10-K
| Annual Report for the period ended January 31, 2022 |
| 12/07/2021 |
10-Q
| Quarterly Report for the period ended October 31, 2021 |
| 09/14/2021 |
10-Q
| Quarterly Report for the period ended July 31, 2021 |
| 06/21/2021 |
8-K
| Quarterly results |
| 06/11/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 04/12/2021 |
10-K
| Annual Report for the period ended January 31, 2021 |
| 11/25/2020 |
10-Q
| Quarterly Report for the period ended October 31, 2020 |
| 09/11/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 06/12/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 05/13/2020 |
10-K
| Annual Report for the period ended January 31, 2020 |
| 12/05/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2019 |
| 09/10/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 06/12/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 04/09/2019 |
10-K
| Annual Report for the period ended January 31, 2019 |
| 12/06/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 09/07/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 06/13/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 04/16/2018 |
10-K
| Annual Report for the period ended January 31, 2018 |
| 02/02/2018 |
10-K/A
| Annual Report for the period ended January 31, 2017 [amend] |
| 12/14/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 09/06/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 06/13/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 04/21/2017 |
10-K
| Annual Report for the period ended January 31, 2017 |
| 12/09/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 08/31/2016 |
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 |
| 05/02/2016 |
10-K
| Annual Report for the period ended January 31, 2016 |
| 12/14/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/04/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/03/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
|