| Date Filed | Type | Description |
| 03/21/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 12/21/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 06/22/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/23/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/22/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 06/23/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/24/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/23/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 06/19/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/25/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/21/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 06/20/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/22/2012 |
10-Q/A
| Quarterly Report for the period ended January 31, 2012 [amend] |
| 03/21/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 12/13/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 06/15/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 03/18/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/15/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 06/18/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 03/22/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 12/14/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 06/24/2009 |
10-Q/A
| Quarterly Report for the period ended April 30, 2009 [amend] |
| 06/15/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 03/17/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |