| Date Filed | Type | Description |
| 06/04/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 12/04/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 09/11/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 06/12/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 12/15/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/15/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 06/16/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 12/09/2002 |
10-Q
| Quarterly Report for the period ended October 31, 2002 |
| 09/13/2002 |
10-Q
| Quarterly Report for the period ended July 31, 2002 |
| 06/14/2002 |
10-Q
| Quarterly Report for the period ended April 30, 2002 |
| 12/20/2001 |
10-Q
| Quarterly Report for the period ended October 31, 2001 |
| 09/14/2001 |
10-Q
| Quarterly Report for the period ended July 31, 2001 |
| 06/14/2001 |
10-Q
| Quarterly Report for the period ended April 30, 2001 |
| 12/13/2000 |
10-Q
| Quarterly Report for the period ended October 31, 2000 |
| 09/07/2000 |
10-Q
| Quarterly Report for the period ended July 31, 2000 |
| 06/09/2000 |
10-Q
| Quarterly Report for the period ended April 30, 2000 |
| 02/03/2000 |
10-Q
| Quarterly Report for the period ended April 30, 1999 |
| 02/03/2000 |
10-Q
| Quarterly Report for the period ended July 31, 1999 |
| 02/03/2000 |
10-Q
| Quarterly Report for the period ended October 31, 1999 |
| 12/21/1998 |
10-Q
| Quarterly Report for the period ended October 31, 1998 |
| 09/18/1998 |
10-Q
| Quarterly Report for the period ended July 31, 1998 |
| 06/17/1998 |
10-Q
| Quarterly Report for the period ended April 30, 1998 |
| 06/08/1998 |
10-Q/A
| Quarterly Report for the period ended October 31, 1997 [amend] |
| 12/15/1997 |
10-Q
| Quarterly Report for the period ended October 31, 1997 |
| 09/23/1997 |
10-Q
| Quarterly Report for the period ended July 31, 1997 |
| 06/11/1997 |
10-Q
| Quarterly Report for the period ended April 30, 1997 |
| 12/13/1996 |
10-Q
| Quarterly Report for the period ended October 31, 1996 |
| 09/13/1996 |
10-Q
| Quarterly Report for the period ended July 31, 1996 |
| 07/30/1996 |
10-Q/A
| Quarterly Report for the period ended April 30, 1996 [amend] |
| 06/13/1996 |
10-Q
| Quarterly Report for the period ended April 30, 1996 |