| Date Filed | Type | Description |
| 04/27/2018 |
10-K/A
| Annual Report for the period ended December 31, 2017 [amend] |
| 03/05/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/10/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/14/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/14/2014 |
10-K/A
| Annual Report for the period ended March 14, 2014 [amend] |
| 03/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/15/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/16/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/21/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/19/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/30/2009 |
10-K
| Annual Report for the period ended March 24, 2009 |
| 04/01/2008 |
10-K/A
| Annual Report for the period ended April 1, 2008 [amend] |
| 03/25/2008 |
10-K
| Annual Report for the period ended March 21, 2008 |
| 03/23/2007 |
10-K
| Annual Report for the period ended March 20, 2007 |
| 02/15/2007 |
10-K/A
| Annual Report for the period ended January 25, 2007 [amend] |
| 03/27/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/31/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |