| Date Filed | Type | Description |
| 10/06/2022 |
10-K
| Annual Report for the period ended July 31, 2022 |
| 12/15/2021 |
10-K/A
| Annual Report for the period ended July 31, 2021 [amend] |
| 10/28/2021 |
10-K
| Annual Report for the period ended July 31, 2021 |
| 08/13/2020 |
10-K/A
| Annual Report for the period ended July 31, 2020 [amend] |
| 08/13/2020 |
10-K/A
| Annual Report for the period ended July 31, 2020 [amend] |
| 08/07/2020 |
10-K
| Annual Report for the period ended July 31, 2020 |
| 10/29/2019 |
10-K
| Annual Report for the period ended July 31, 2019 |
| 12/14/2018 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 11/30/2017 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 11/13/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 11/12/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 11/12/2013 |
10-K
| Annual Report for the period ended July 31, 2013 |
| 11/21/2012 |
10-K
| Annual Report for the period ended July 31, 2012 |
| 11/15/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 10/29/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 06/08/2010 |
10-K/A
| Annual Report for the period ended July 31, 2009 [amend] |
| 12/09/2009 |
10-K/A
| Annual Report for the period ended July 31, 2008 [amend] |
| 10/21/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |
| 10/29/2008 |
10-K
| Annual Report for the period ended July 31, 2008 |