| Date Filed | Type | Description |
| 05/01/2023 |
10-K/A
| Annual Report for the period ended December 31, 2022 [amend] |
| 03/29/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/29/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/30/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/09/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/16/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 07/20/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 03/30/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/25/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/24/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/24/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/22/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/29/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 05/06/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 04/29/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/31/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/31/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/16/2009 |
10-K/A
| Annual Report for the period ended June 30, 2008 [amend] |
| 01/30/2009 |
10-K/A
| Annual Report for the period ended June 30, 2008 [amend] |
| 09/29/2008 |
10-K
| Annual Report for the period ended June 30, 2008 |
| 10/14/1997 |
10-K
| Annual Report for the period ended June 30, 1997 |