| Date Filed | Type | Description |
| 03/15/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 03/15/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 05/14/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 05/14/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 11/13/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 06/07/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 06/02/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 01/20/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 05/09/2016 |
10-Q/A
| Quarterly Report for the period ended January 31, 2016 [amend] |
| 05/05/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 04/11/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 04/11/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 04/08/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 05/29/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 05/29/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 05/28/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 05/28/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 04/09/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 01/24/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 01/24/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 01/24/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 01/24/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 10/22/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2009 |
| 10/22/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 10/22/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 02/06/2009 |
10-Q
| Quarterly Report for the period ended July 31, 2008 |