| Date Filed | Type | Description |
| 03/01/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/29/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/09/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/11/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/10/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/05/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/08/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/03/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/10/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/10/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/12/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/12/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/13/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/08/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 02/27/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/05/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/26/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/26/2002 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/22/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/22/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 12/15/1998 |
10-K
| Annual Report for the period ended September 30, 1998 |