| Date Filed | Type | Description |
| 05/10/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/30/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/28/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/24/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/24/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/11/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 02/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/01/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 02/19/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/19/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/19/2008 |
AR
| 2007 Annual Report |
| 02/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/16/2007 |
AR
| 2006 Annual Report (PDF format 2.12MB) |
| 11/13/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 06/07/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 02/15/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 02/17/2005 |
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 |
| 03/19/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/27/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |