| Date Filed | Type | Description |
| 04/29/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/15/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/16/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 05/02/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 04/22/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 11/22/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/08/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/13/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/09/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/09/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/11/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/09/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/10/2006 |
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 |
| 11/19/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/10/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/10/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/11/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/19/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/02/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 07/15/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 02/22/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/27/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 02/23/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/03/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 05/13/1996 |
10-K
| Annual Report for the period ended February 29, 1996 |