| Date Filed | Type | Description |
| 04/09/2019 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 04/09/2019 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 04/09/2019 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/08/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 03/29/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/31/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/25/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/25/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/09/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/11/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/19/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 11/27/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 04/13/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 05/13/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/23/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/30/2004 |
10-K
| Annual Report for the period ended March 31, 2003 |
| 11/10/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/02/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/24/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/05/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/05/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 09/27/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 06/14/1999 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 06/14/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 05/03/1999 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 04/21/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/15/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/06/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |