| Date Filed | Type | Description |
| 09/06/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/04/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/04/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 09/10/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 06/04/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/05/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 08/31/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 06/08/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 03/10/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 09/08/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 06/09/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 03/11/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 09/09/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 06/09/2009 |
10-Q
| Quarterly Report for the period ended June 9, 2009 |
| 03/12/2009 |
10-Q
| Quarterly Report for the period ended March 12, 2009 |
| 09/09/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 06/09/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 03/17/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 09/10/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 06/11/2007 |
10-Q
| Quarterly Report for the period ended April 30, 2007 |
| 04/23/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 09/11/2006 |
10-Q/A
| Quarterly Report for the period ended July 31, 2006 [amend] |
| 09/07/2006 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 06/14/2006 |
10-Q
| Quarterly Report for the period ended April 30, 2006 |
| 03/20/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 09/06/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 06/09/2005 |
10-Q
| Quarterly Report for the period ended April 30, 2005 |
| 03/03/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 09/02/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 05/27/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
| 03/15/2004 |
10-Q
| Quarterly Report for the period ended January 31, 2004 |
| 09/09/2003 |
10-Q
| Quarterly Report for the period ended July 31, 2003 |
| 06/13/2003 |
10-Q
| Quarterly Report for the period ended April 30, 2003 |
| 03/17/2003 |
10-Q
| Quarterly Report for the period ended January 31, 2003 |
|