| Date Filed | Type | Description |
| 05/01/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/16/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/06/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/16/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/19/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/10/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/05/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/28/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/28/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/28/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/02/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/29/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/04/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/27/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |