| Date Filed | Type | Description |
| 09/09/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/09/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/10/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 09/09/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/09/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/12/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 09/09/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 06/09/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/12/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 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 |
| 03/12/2013 |
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 |
| 06/11/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/12/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 09/09/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 06/09/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 03/14/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 09/09/2010 |
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 |
| 03/12/2010 |
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 |
| 03/12/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 09/08/2008 |
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 |
| 03/10/2008 |
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 |
| 03/12/2007 |
10-Q
| Quarterly Report for the period ended January 31, 2007 |
| 09/11/2006 |
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 |
| 03/13/2006 |
10-Q
| Quarterly Report for the period ended January 31, 2006 |
| 09/14/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
|