| Date Filed | Type | Description |
| 11/02/2012 |
10-Q
| Quarterly Report for the period ended September 30, 2012 |
| 08/02/2012 |
10-Q
| Quarterly Report for the period ended June 30, 2012 |
| 05/03/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 10/31/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 08/04/2011 |
10-Q
| Quarterly Report for the period ended June 30, 2011 |
| 05/05/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 11/03/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 08/05/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 05/05/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 11/03/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/04/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 05/04/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 10/31/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 08/04/2008 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |
| 05/02/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 11/01/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 08/08/2007 |
10-Q
| Quarterly Report for the period ended June 30, 2007 |
| 05/09/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 11/14/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 08/11/2006 |
10-Q
| Quarterly Report for the period ended June 30, 2006 |
| 05/12/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |