| Date Filed | Type | Description |
| 05/01/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 02/26/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 07/20/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/14/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 05/27/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 05/02/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/07/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 05/12/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 05/10/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 07/29/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 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 |
| 05/01/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/31/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 05/28/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/25/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/27/1998 |
10-K
| Annual Report for the period ended December 27, 1997 |