| Date Filed | Type | Description |
| 06/17/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 10/05/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 04/30/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/29/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/01/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/01/2011 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/01/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 07/10/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 06/30/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 06/29/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/02/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/29/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/15/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/14/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 11/21/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/14/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 02/04/2005 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/17/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 09/04/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/22/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/15/2002 |
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 |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/30/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |