| Date Filed | Type | Description |
| 05/25/2017 |
10-Q
| Quarterly Report for the period ended April 30, 2017 |
| 03/10/2017 |
10-Q
| Quarterly Report for the period ended January 31, 2017 |
| 09/14/2016 |
10-Q
| Quarterly Report for the period ended July 31, 2016 |
| 06/14/2016 |
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 |
| 09/14/2015 |
10-Q
| Quarterly Report for the period ended July 31, 2015 |
| 06/12/2015 |
10-Q
| Quarterly Report for the period ended April 30, 2015 |
| 03/11/2015 |
10-Q
| Quarterly Report for the period ended January 31, 2015 |
| 09/10/2014 |
10-Q
| Quarterly Report for the period ended July 31, 2014 |
| 06/09/2014 |
10-Q
| Quarterly Report for the period ended April 30, 2014 |
| 03/07/2014 |
10-Q
| Quarterly Report for the period ended January 31, 2014 |
| 09/13/2013 |
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/A
| Quarterly Report for the period ended January 31, 2013 [amend] |
| 03/15/2013 |
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 |
| 03/14/2012 |
10-Q
| Quarterly Report for the period ended January 31, 2012 |
| 10/14/2011 |
10-Q
| Quarterly Report for the period ended July 31, 2011 |
| 09/14/2005 |
10-Q
| Quarterly Report for the period ended July 31, 2005 |
| 06/14/2005 |
10-Q
| Quarterly Report for the period ended April 30, 2005 |
| 03/17/2005 |
10-Q
| Quarterly Report for the period ended January 31, 2005 |
| 09/02/2004 |
10-Q
| Quarterly Report for the period ended July 31, 2004 |
| 06/08/2004 |
10-Q
| Quarterly Report for the period ended April 30, 2004 |
| 03/08/2004 |
10-Q
| Quarterly Report for the period ended January 31, 2004 |
| 09/12/2003 |
10-Q
| Quarterly Report for the period ended July 31, 2003 |
| 06/13/2003 |
10-Q
| Quarterly Report for the period ended April 30, 2003 |
| 03/17/2003 |
10-Q
| Quarterly Report for the period ended January 31, 2003 |
| 09/16/2002 |
10-Q
| Quarterly Report for the period ended July 31, 2002 |
| 06/14/2002 |
10-Q
| Quarterly Report for the period ended April 30, 2002 |
| 03/19/2002 |
10-Q/A
| Quarterly Report for the period ended January 31, 2002 [amend] |
| 03/18/2002 |
10-Q
| Quarterly Report for the period ended January 31, 2002 |
| 09/14/2001 |
10-Q
| Quarterly Report for the period ended July 31, 2001 |
| 06/14/2001 |
10-Q
| Quarterly Report for the period ended April 30, 2001 |
|