| Date Filed | Type | Description |
| 03/02/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/09/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/29/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 02/27/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/28/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/23/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/24/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 02/20/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/28/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 02/18/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/29/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/20/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/27/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/22/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 05/02/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/15/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/28/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/12/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/30/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/16/2009 |
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] |
| 03/11/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |