| Date Filed | Type | Description |
| 04/12/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/03/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 10/07/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 04/01/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/17/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/31/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/01/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/30/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 04/14/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/29/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/29/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/14/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/18/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/16/2009 |
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 |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 10/14/2003 |
10-K
| Annual Report for the period ended June 30, 2003 |
| 10/15/2002 |
10-K
| Annual Report for the period ended June 30, 2002 |
| 10/15/2001 |
10-K
| Annual Report for the period ended June 30, 2001 |
| 09/28/2000 |
10-K
| Annual Report for the period ended June 30, 2000 |
| 10/08/1999 |
10-K
| Annual Report for the period ended June 30, 1999 |
| 09/29/1998 |
10-K
| Annual Report for the period ended June 30, 1998 |
| 01/16/1998 |
10-K/A
| Annual Report for the period ended June 30, 1997 [amend] |
| 11/14/1997 |
10-K/A
| Annual Report for the period ended June 30, 1997 [amend] |
| 09/30/1997 |
10-K
| Annual Report for the period ended June 30, 1997 |