| Date Filed | Type | Description |
| 12/07/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 09/08/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/07/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 12/08/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/08/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/08/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 12/08/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 09/08/2014 |
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 |
| 04/25/2014 |
10-Q/A
| Quarterly Report for the period ended October 31, 2013 [amend] |
| 12/09/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 09/09/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/07/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 04/26/2013 |
10-Q/A
| Quarterly Report for the period ended October 31, 2012 [amend] |
| 12/07/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 09/10/2012 |
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 |
| 12/14/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 09/07/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 06/14/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 12/09/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 09/14/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 06/14/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 11/23/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 09/02/2009 |
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 |
| 12/11/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 09/03/2008 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |
| 06/10/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 04/30/2008 |
10-Q/A
| Quarterly Report for the period ended October 31, 2007 [amend] |
| 04/30/2008 |
10-Q/A
| Quarterly Report for the period ended July 31, 2007 [amend] |
| 04/30/2008 |
10-Q/A
| Quarterly Report for the period ended April 30, 2007 [amend] |
| 03/07/2008 |
10-Q/A
| Quarterly Report for the period ended October 31, 2007 [amend] |
| 03/07/2008 |
10-Q/A
| Quarterly Report for the period ended July 31, 2007 [amend] |
|