| Date Filed | Type | Description |
| 03/25/2020 |
10-Q/A
| Quarterly Report for the period ended January 31, 2020 [amend] |
| 03/23/2020 |
10-Q
| Quarterly Report for the period ended January 31, 2020 |
| 12/23/2019 |
10-Q
| Quarterly Report for the period ended October 31, 2019 |
| 06/14/2019 |
10-Q
| Quarterly Report for the period ended April 30, 2019 |
| 03/15/2019 |
10-Q
| Quarterly Report for the period ended January 31, 2019 |
| 12/17/2018 |
10-Q
| Quarterly Report for the period ended October 31, 2018 |
| 06/20/2018 |
10-Q/A
| Quarterly Report for the period ended April 30, 2018 [amend] |
| 06/18/2018 |
10-Q
| Quarterly Report for the period ended April 30, 2018 |
| 03/19/2018 |
10-Q
| Quarterly Report for the period ended January 31, 2018 |
| 12/15/2017 |
10-Q
| Quarterly Report for the period ended October 31, 2017 |
| 06/19/2017 |
10-Q
| Quarterly Report for the period ended March 31, 2017 |
| 05/25/2017 |
10-Q/A
| Quarterly Report for the period ended January 31, 2017 [amend] |
| 03/22/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 01/17/2017 |
10-Q/A
| Quarterly Report for the period ended October 31, 2016 [amend] |
| 12/20/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 06/10/2016 |
10-Q
| Quarterly Report for the period ended April 30, 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 |
| 08/06/2015 |
10-Q/A
| Quarterly Report for the period ended April 30, 2015 [amend] |
| 08/06/2015 |
10-Q/A
| Quarterly Report for the period ended January 31, 2015 [amend] |
| 06/15/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/18/2015 |
10-Q/A
| Quarterly Report for the period ended January 31, 2015 [amend] |
| 03/17/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 11/10/2014 |
10-Q
| Quarterly Report for the period ended September 30, 2014 |
| 08/12/2014 |
10-Q
| Quarterly Report for the period ended June 30, 2014 |
| 05/13/2014 |
10-Q
| Quarterly Report for the period ended March 31, 2014 |
| 11/14/2013 |
10-Q
| Quarterly Report for the period ended September 30, 2013 |
| 08/14/2013 |
10-Q
| Quarterly Report for the period ended June 30, 2013 |
| 05/20/2013 |
10-Q
| Quarterly Report for the period ended March 31, 2013 |
| 11/14/2012 |
10-Q
| Quarterly Report for the period ended September 30, 2012 |
| 09/19/2012 |
10-Q/A
| Quarterly Report for the period ended June 30, 2012 [amend] |
| 08/14/2012 |
10-Q
| Quarterly Report for the period ended June 30, 2012 |
| 05/15/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 11/14/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
|