| Date Filed | Type | Description |
| 09/09/2022 |
10-Q
| Quarterly Report for the period ended July 31, 2022 |
| 06/10/2022 |
10-Q
| Quarterly Report for the period ended April 30, 2022 |
| 03/11/2022 |
10-Q
| Quarterly Report for the period ended January 31, 2022 |
| 09/01/2021 |
10-Q
| Quarterly Report for the period ended July 31, 2021 |
| 06/10/2021 |
10-Q
| Quarterly Report for the period ended April 30, 2021 |
| 03/11/2021 |
10-Q
| Quarterly Report for the period ended January 31, 2021 |
| 09/08/2020 |
10-Q
| Quarterly Report for the period ended July 31, 2020 |
| 06/09/2020 |
10-Q
| Quarterly Report for the period ended April 30, 2020 |
| 03/09/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 09/06/2019 |
10-Q
| Quarterly Report for the period ended July 31, 2019 |
| 03/13/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 09/07/2018 |
10-Q
| Quarterly Report for the period ended July 31, 2018 |
| 06/08/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 03/08/2018 |
10-Q
| Quarterly Report for the period ended December 1, 2017 |
| 09/08/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2017 |
| 05/26/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 03/15/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 08/19/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 05/20/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 02/19/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 08/18/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 05/22/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/09/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 09/15/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 06/16/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/17/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 09/20/2013 |
10-Q/A
| Quarterly Report for the period ended July 31, 2013 [amend] |
| 09/16/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/19/2013 |
10-Q/A
| Quarterly Report for the period ended April 30, 2013 [amend] |
| 06/14/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/25/2013 |
10-Q/A
| Quarterly Report for the period ended January 31, 2013 [amend] |
| 03/18/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 09/14/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 06/14/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
|