| Date Filed | Type | Description |
| 12/07/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/04/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 03/06/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/08/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 09/05/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 03/07/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/06/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 09/06/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 03/08/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/10/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 09/07/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 03/12/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 12/09/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 09/08/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 03/11/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/09/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 09/09/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 03/12/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 12/10/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 09/09/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 03/12/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 12/10/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/09/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 03/10/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 12/10/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
| 09/10/2007 |
10-Q
| Quarterly Report for the period ended July 31, 2007 |
| 03/09/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 12/11/2006 |
10-Q
| Quarterly Report for the period ended October 31, 2006 |
| 09/08/2006 |
10-Q
| Quarterly Report for the period ended July 31, 2006 |
| 03/13/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 12/09/2005 |
10-Q
| Quarterly Report for the period ended October 31, 2005 |
| 09/09/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 03/14/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 12/10/2004 |
10-Q
| Quarterly Report for the period ended October 31, 2004 |
|