| Date Filed | Type | Description |
| 04/18/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/03/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/10/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/03/2013 |
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 |
| 01/31/2012 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 12/30/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/01/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 12/08/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 09/29/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/16/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 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 |
| 04/07/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/21/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/28/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/28/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/31/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/14/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/27/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/26/2001 |
10-K
| Annual Report for the period ended December 30, 2000 |
| 04/28/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/24/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/23/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/26/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/21/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 03/28/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
| 03/24/1995 |
10-K
| Annual Report for the period ended December 31, 1994 |