| Date Filed | Type | Description |
| 04/28/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 04/11/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 02/16/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/14/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/15/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/16/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 06/02/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 04/16/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/15/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/12/2009 |
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] |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |