| Date Filed | Type | Description |
| 02/15/2017 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/20/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/21/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 09/21/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/15/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 05/29/2015 |
10-Q/A
| Quarterly Report for the period ended January 31, 2015 [amend] |
| 03/23/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 09/22/2014 |
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 |
| 03/26/2014 |
10-Q/A
| Quarterly Report for the period ended January 31, 2014 [amend] |
| 03/24/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 09/19/2013 |
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 |
| 03/05/2013 |
10-Q
| Quarterly Report for the period ended January 31, 2013 |
| 09/14/2012 |
10-Q/A
| Quarterly Report for the period ended July 31, 2012 [amend] |
| 09/11/2012 |
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 |
| 03/12/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 09/08/2011 |
10-Q
| Quarterly Report for the period ended June 30, 2011 |
| 05/20/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 11/15/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 08/10/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 05/21/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 11/17/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/13/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 05/12/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 11/13/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 08/14/2008 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |