| Date Filed | Type | Description |
| 07/19/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 04/02/2021 |
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] |
| 05/15/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/27/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/19/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/21/2017 |
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 |
| 03/15/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 04/23/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 03/16/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/17/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/30/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/13/2012 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 04/04/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 01/17/2012 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/24/2010 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 04/29/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 04/15/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 05/09/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 05/07/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/30/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/17/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |