| Date Filed | Type | Description |
| 05/01/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 03/31/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/27/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/14/2016 |
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 |
| 03/06/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/30/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/02/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/15/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/30/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/20/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/29/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/13/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 05/12/2008 |
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 |
| 03/27/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/17/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 05/12/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/30/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 11/12/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/30/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/11/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
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 |
| 02/28/2000 |
10-K/A
| Annual Report for the period ended October 31, 1999 [amend] |
| 01/31/2000 |
10-K
| Annual Report for the period ended October 31, 1999 |
| 02/25/1999 |
10-K/A
| Annual Report for the period ended October 31, 1998 [amend] |
| 01/29/1999 |
10-K
| Annual Report for the period ended October 31, 1998 |
| 01/29/1998 |
10-K
| Annual Report for the period ended October 31, 1997 |
| 01/27/1997 |
10-K
| Annual Report for the period ended October 31, 1996 |