| Date Filed | Type | Description |
| 11/13/2007 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10]: |
| 04/26/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 02/28/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/30/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 06/25/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/22/2004 |
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 |
| 11/08/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/29/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/16/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/11/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 04/28/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/14/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/03/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/30/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/31/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/08/1998 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/31/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |