| Date Filed | Type | Description |
| 12/14/2020 |
10-Q
| Quarterly Report for the period ended October 31, 2020 |
| 09/10/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 03/11/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 12/11/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2019 |
| 09/12/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 03/18/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 12/12/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 09/13/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 03/13/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 12/13/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 09/14/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 03/13/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 12/14/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 09/14/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 03/15/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 12/14/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 09/14/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 03/09/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/11/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 09/11/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 03/13/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/12/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 09/12/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 03/14/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 12/13/2012 |
10-Q
| Quarterly Report for the period ended October 31, 2012 |
| 09/13/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 03/12/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 12/14/2011 |
10-Q
| Quarterly Report for the period ended October 31, 2011 |
| 09/14/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 03/10/2011 |
10-Q
| Quarterly Report for the period ended January 31, 2011 |
| 12/14/2010 |
10-Q
| Quarterly Report for the period ended October 31, 2010 |
| 12/09/2010 |
10-Q/A
| Quarterly Report for the period ended July 31, 2010 [amend] |
| 09/14/2010 |
10-Q
| Quarterly Report for the period ended July 31, 2010 |
| 03/12/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
|