| Date Filed | Type | Description |
| 02/20/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 02/18/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/18/2014 |
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 |
| 02/15/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/15/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/11/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/16/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 05/19/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/14/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/03/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 09/12/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/08/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 02/13/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 02/10/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 07/29/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 06/11/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 06/10/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/21/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/19/2002 |
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 |
| 11/09/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 05/15/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 05/01/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 04/15/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/30/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/31/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 06/27/1996 |
10-K/A
| Annual Report for the period ended March 31, 1996 [amend] |
| 05/31/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |