| Date Filed | Type | Description |
| 06/13/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 03/14/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 12/09/2016 |
10-Q
| Quarterly Report for the period ended October 31, 2016 |
| 06/09/2016 |
10-Q
| Quarterly Report for the period ended April 30, 2016 |
| 03/10/2016 |
10-Q
| Quarterly Report for the period ended January 31, 2016 |
| 12/11/2015 |
10-Q
| Quarterly Report for the period ended October 31, 2015 |
| 06/11/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/16/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 12/05/2014 |
10-Q
| Quarterly Report for the period ended October 31, 2014 |
| 06/12/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/10/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 12/13/2013 |
10-Q
| Quarterly Report for the period ended October 31, 2013 |
| 06/13/2013 |
10-Q
| Quarterly Report for the period ended April 30, 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 |
| 06/14/2012 |
10-Q
| Quarterly Report for the period ended April 30, 2012 |
| 03/08/2012 |
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 |
| 06/07/2011 |
10-Q
| Quarterly Report for the period ended April 30, 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 |
| 07/15/2010 |
10-Q/A
| Quarterly Report for the period ended April 30, 2010 [amend] |
| 06/09/2010 |
10-Q
| Quarterly Report for the period ended April 30, 2010 |
| 03/09/2010 |
10-Q
| Quarterly Report for the period ended January 31, 2010 |
| 12/10/2009 |
10-Q
| Quarterly Report for the period ended October 31, 2009 |
| 06/09/2009 |
10-Q
| Quarterly Report for the period ended April 30, 2009 |
| 03/06/2009 |
10-Q
| Quarterly Report for the period ended January 31, 2009 |
| 12/11/2008 |
10-Q
| Quarterly Report for the period ended October 31, 2008 |
| 06/03/2008 |
10-Q
| Quarterly Report for the period ended April 30, 2008 |
| 03/03/2008 |
10-Q
| Quarterly Report for the period ended January 31, 2008 |
| 06/27/2000 |
10-Q
| Quarterly Report for the period ended February 12, 2000 |
| 06/26/2000 |
10-Q
| Quarterly Report for the period ended May 7, 2000 |
| 06/09/2000 |
10-Q
| Quarterly Report for the period ended November 20, 1999 |
| 06/25/1998 |
10-Q
| Quarterly Report for the period ended May 7, 1998 |
|