| Date Filed | Type | Description |
| 02/29/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/02/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/03/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 07/26/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 05/31/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 05/15/2012 |
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 |
| 02/26/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/09/2009 |
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 |
| 03/07/2007 |
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 |
| 05/09/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/10/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 10/08/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/30/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/02/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 09/08/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/29/2000 |
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 |
| 03/30/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 11/05/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 04/01/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |