| Date Filed | Type | Description |
| 08/11/2023 |
10-K
| Annual Report for the period ended January 31, 2023 |
| 05/10/2022 |
10-K/A
| Annual Report for the period ended January 31, 2022 [amend] |
| 05/09/2022 |
10-K
| Annual Report for the period ended January 31, 2022 |
| 05/14/2021 |
10-K
| Annual Report for the period ended January 31, 2021 |
| 11/26/2019 |
10-K/A
| Annual Report for the period ended January 31, 2019 [amend] |
| 08/21/2019 |
10-K
| Annual Report for the period ended January 31, 2019 |
| 11/07/2018 |
10-K
| Annual Report for the period ended January 31, 2018 |
| 05/24/2018 |
10-K/A
| Annual Report for the period ended January 31, 2017 [amend] |
| 05/18/2018 |
10-K
| Annual Report for the period ended January 31, 2017 |
| 06/27/2016 |
10-K
| Annual Report for the period ended January 31, 2016 |
| 05/19/2015 |
10-K
| Annual Report for the period ended January 31, 2015 |
| 05/20/2014 |
10-K/A
| Annual Report for the period ended March 31, 2014 [amend] |
| 05/19/2014 |
10-K/A
| Annual Report for the period ended January 31, 2014 [amend] |
| 05/16/2014 |
10-K/A
| Annual Report for the period ended March 31, 2014 [amend] |
| 05/15/2014 |
10-K
| Annual Report for the period ended January 31, 2014 |
| 09/23/2013 |
10-K
| Annual Report for the period ended January 31, 2013 |
| 09/20/2013 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 08/30/2013 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 05/14/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 05/08/2009 |
10-K
| Annual Report for the period ended January 31, 2009 |