| Date Filed | Type | Description |
| 03/15/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/04/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/04/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/21/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/07/2018 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10]: |
| 10/13/2017 |
10-K
| Annual Report for the period ended July 31, 2017 |
| 10/28/2016 |
10-K
| Annual Report for the period ended July 31, 2016 |
| 10/26/2015 |
10-K
| Annual Report for the period ended July 31, 2015 |
| 10/27/2014 |
10-K
| Annual Report for the period ended July 31, 2014 |
| 10/29/2013 |
10-K
| Annual Report for the period ended July 31, 2013 |
| 11/01/2012 |
10-K/A
| Annual Report for the period ended July 31, 2012 [amend] |
| 10/29/2012 |
10-K
| Annual Report for the period ended July 31, 2012 |
| 10/31/2011 |
10-K
| Annual Report for the period ended July 31, 2011 |
| 12/10/2010 |
10-K/A
| Annual Report for the period ended July 31, 2010 [amend] |
| 11/15/2010 |
10-K
| Annual Report for the period ended July 31, 2010 |
| 05/11/2010 |
10-K/A
| Annual Report for the period ended July 31, 2009 [amend] |
| 03/16/2010 |
10-K/A
| Annual Report for the period ended July 31, 2009 [amend] |
| 10/15/2009 |
10-K
| Annual Report for the period ended July 31, 2009 |
| 10/14/2008 |
10-K
| Annual Report for the period ended July 31, 2008 |