| Date Filed | Type | Description |
| 05/15/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 04/29/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 04/06/2022 |
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 |
| 05/19/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 05/14/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/15/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/02/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/17/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/14/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 08/12/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 02/04/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 11/18/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/16/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/31/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/14/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 05/02/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/08/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/29/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/31/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/29/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 04/14/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 07/14/1997 |
10-K
| Annual Report for the period ended March 31, 1997 |