| Date Filed | Type | Description |
| 03/31/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/15/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 05/29/2009 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 01/15/2009 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 01/15/2009 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/02/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 11/13/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 04/07/2006 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/31/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 11/24/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 06/02/2004 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 06/02/2004 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 06/02/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/30/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 09/05/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 09/05/2003 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/15/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 07/16/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/09/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |