| Date Filed | Type | Description |
| 09/09/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/10/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/11/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 09/05/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 06/06/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/07/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 09/07/2011 |
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 |
| 03/09/2011 |
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 |
| 06/08/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 03/10/2010 |
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 April 30, 2009 |
| 03/11/2009 |
10-Q
| Quarterly Report for the period ended January 31, 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 |
| 03/11/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 09/07/2007 |
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 |
| 03/12/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 09/15/2006 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 06/09/2006 |
10-Q
| Quarterly Report for the period ended April 30, 2006 |
| 05/04/2006 |
10-Q/A
| Quarterly Report for the period ended April 30, 2005 [amend] |
| 03/13/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 02/22/2006 |
10-Q/A
| Quarterly Report for the period ended July 31, 2005 [amend] |
| 10/24/2005 |
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 |
| 03/10/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 09/13/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 06/14/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
| 03/12/2004 |
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 |
|