| Date Filed | Type | Description |
| 02/20/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/21/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/23/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/22/2016 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10] |
| 10/15/2015 |
10-K
| Annual Report for the period ended August 31, 2015 |
| 06/22/2015 |
10-K/A
| Annual Report for the period ended August 31, 2014 [amend] |
| 10/30/2014 |
10-K
| Annual Report for the period ended August 31, 2014 |
| 06/19/2014 |
10-K/A
| Annual Report for the period ended August 31, 2013 [amend] |
| 11/14/2013 |
10-K
| Annual Report for the period ended September 30, 2013 |
| 12/12/2012 |
10-K/A
| Annual Report for the period ended August 31, 2012 [amend] |
| 11/13/2012 |
10-K
| Annual Report for the period ended August 31, 2012 |
| 11/14/2011 |
10-K
| Annual Report for the period ended August 31, 2011 |
| 06/03/2011 |
10-K/A
| Annual Report for the period ended August 31, 2010 [amend] |
| 05/10/2011 |
10-K/A
| Annual Report for the period ended August 31, 2010 [amend] |
| 11/23/2010 |
10-K
| Annual Report for the period ended August 31, 2010 |
| 11/19/2009 |
10-K/A
| Annual Report for the period ended August 31, 2009 [amend] |
| 11/17/2009 |
10-K
| Annual Report for the period ended August 31, 2009 |
| 01/27/2009 |
10-K
| Annual Report for the period ended August 31, 2008 |
| 03/28/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |