| Date Filed | Type | Description |
| 04/30/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 02/26/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 05/31/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/27/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/16/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/22/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/23/2011 |
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 |
| 03/16/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/18/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/29/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/30/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 08/18/2005 |
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 |
| 03/30/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/26/2003 |
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 |
| 04/30/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/17/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/30/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 10/29/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 10/28/1998 |
10-K
| Annual Report for the period ended July 31, 1998 |
| 10/29/1997 |
10-K
| Annual Report for the period ended July 31, 1997 |
| 09/05/1997 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 08/26/1997 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 08/07/1997 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 08/07/1997 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 08/05/1997 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 12/31/1996 |
10-K/A
| Annual Report for the period ended July 31, 1996 [amend] |
| 10/29/1996 |
10-K
| Annual Report for the period ended July 31, 1996 |