| Date Filed | Type | Description |
| 06/11/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 03/09/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 12/08/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 06/07/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 03/09/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 12/09/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 06/09/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/11/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 12/10/2015 |
10-Q
| Quarterly Report for the period ended October 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 |
| 12/10/2014 |
10-Q
| Quarterly Report for the period ended October 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 |
| 12/10/2013 |
10-Q
| Quarterly Report for the period ended October 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 |
| 12/10/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 06/08/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/09/2012 |
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 |
| 06/09/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 03/10/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/13/2010 |
10-Q/A
| Quarterly Report for the period ended October 31, 2010 [amend] |
| 12/10/2010 |
10-Q
| Quarterly Report for the period ended October 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 |
| 12/10/2009 |
10-Q
| Quarterly Report for the period ended October 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 |
| 12/10/2008 |
10-Q
| Quarterly Report for the period ended October 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 |
| 12/10/2007 |
10-Q
| Quarterly Report for the period ended October 31, 2007 |
|