| Date Filed | Type | Description |
| 04/29/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 02/25/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/25/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/24/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/21/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/17/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/11/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 02/17/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/25/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/22/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/26/2007 |
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 |
| 03/04/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/02/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 07/07/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 02/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/28/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/30/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/30/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/17/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/30/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 12/18/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 04/25/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/11/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 03/29/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 03/07/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
| 03/01/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/31/1995 |
10-K405
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 11/09/1994 |
10-K/A
| Annual Report for the period ended December 31, 1993 [amend] |
| 11/03/1994 |
10-K/A
| Annual Report for the period ended December 31, 1993 [amend] |
| 09/30/1994 |
10-K/A
| Annual Report for the period ended December 31, 1993 [amend] |