| Date Filed | Type | Description |
| 09/19/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/13/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/07/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 09/17/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/19/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/17/2015 |
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 |
| 06/23/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/14/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 09/20/2013 |
10-Q
| Quarterly Report for the period ended July 31, 2013 |
| 06/14/2013 |
10-Q
| Quarterly Report for the period ended April 30, 2013 |
| 03/22/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 09/20/2012 |
10-Q/A
| Quarterly Report for the period ended July 31, 2012 [amend] |
| 09/12/2012 |
10-Q
| Quarterly Report for the period ended July 31, 2012 |
| 06/19/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/16/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 09/14/2011 |
10-Q/A
| Quarterly Report for the period ended July 31, 2011 [amend] |
| 09/13/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 07/22/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |