| Date Filed | Type | Description |
| 07/29/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 07/08/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 04/09/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 05/24/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 01/29/2019 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 05/18/2018 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/12/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/30/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/31/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/15/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/27/2009 |
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 |
| 08/09/2007 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10] |
| 08/18/2006 |
10-K
| Annual Report for the period ended May 31, 2006 |
| 08/23/2005 |
10-K
| Annual Report for the period ended May 31, 2005 |
| 08/26/2004 |
10-K
| Annual Report for the period ended May 31, 2004 |
| 09/05/2003 |
10-K
| Annual Report for the period ended May 31, 2003 |
| 08/23/2002 |
10-K
| Annual Report for the period ended May 31, 2002 |
| 08/24/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/25/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/27/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/28/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 10/03/1997 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 09/29/1997 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 08/29/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 11/07/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 09/27/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 09/13/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 08/29/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/08/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/24/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 01/09/1996 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 09/20/1995 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 09/14/1995 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
|