| Date Filed | Type | Description |
| 06/06/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 12/06/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 09/06/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 06/08/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 12/08/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 09/01/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 06/02/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 12/02/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 08/26/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 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 October 31, 2009 |
| 09/03/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 06/03/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 12/05/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/04/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 06/03/2008 |
10-Q
| Quarterly Report for the period ended June 3, 2008 |
| 02/12/2008 |
10-Q/A
| Quarterly Report for the period ended February 12, 2008 [amend] |
| 02/12/2008 |
10-Q/A
| Quarterly Report for the period ended February 12, 2008 [amend] |
| 02/12/2008 |
10-Q/A
| Quarterly Report for the period ended February 12, 2008 [amend] |
| 02/12/2008 |
10-Q/A
| Quarterly Report for the period ended February 12, 2008 [amend] |
| 12/03/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 09/07/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 06/05/2007 |
10-Q
| Quarterly Report for the period ended April 30, 2007 |
| 12/13/2006 |
10-Q/A
| Quarterly Report for the period ended July 31, 2006 [amend] |
| 12/13/2006 |
10-Q/A
| Quarterly Report for the period ended April 30, 2006 [amend] |
| 12/11/2006 |
10-Q
| Quarterly Report for the period ended November 30, 2006 |
| 09/08/2006 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 05/31/2006 |
10-Q
| Quarterly Report for the period ended April 30, 2006 |
| 12/05/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 09/06/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 06/01/2005 |
10-Q
| Quarterly Report for the period ended April 30, 2005 |
| 12/08/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
| 09/08/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 06/03/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
|