| Date Filed | Type | Description |
| 04/29/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/25/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/21/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/24/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/23/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/24/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 09/01/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 02/25/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/25/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 08/05/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 02/27/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/27/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/09/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/22/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/04/2005 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 06/14/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/11/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 04/30/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/27/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |