| Date Filed | Type | Description |
| 11/02/2011 |
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 |
| 05/03/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 11/05/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 08/06/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 05/03/2010 |
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 |
| 08/07/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 05/05/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 11/05/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 08/07/2008 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |
| 05/09/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 11/07/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 08/06/2007 |
10-Q
| Quarterly Report for the period ended June 30, 2007 |
| 05/02/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 11/07/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 08/04/2006 |
10-Q
| Quarterly Report for the period ended June 30, 2006 |
| 05/05/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 11/08/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 07/29/2005 |
10-Q
| Quarterly Report for the period ended June 30, 2005 |
| 05/05/2005 |
10-Q
| Quarterly Report for the period ended March 31, 2005 |
| 11/03/2004 |
10-Q
| Quarterly Report for the period ended September 30, 2004 |
| 08/03/2004 |
10-Q
| Quarterly Report for the period ended June 30, 2004 |
| 05/05/2004 |
10-Q
| Quarterly Report for the period ended March 31, 2004 |
| 11/10/2003 |
10-Q
| Quarterly Report for the period ended September 30, 2003 |
| 08/06/2003 |
10-Q
| Quarterly Report for the period ended June 30, 2003 |
| 05/09/2003 |
10-Q
| Quarterly Report for the period ended March 31, 2003 |
| 11/13/2002 |
10-Q
| Quarterly Report for the period ended September 30, 2002 |
| 08/13/2002 |
10-Q
| Quarterly Report for the period ended June 30, 2002 |
| 05/14/2002 |
10-Q
| Quarterly Report for the period ended March 31, 2002 |
| 11/13/2001 |
10-Q
| Quarterly Report for the period ended September 30, 2001 |
| 08/01/2001 |
10-Q
| Quarterly Report for the period ended June 30, 2001 |
| 05/03/2001 |
10-Q
| Quarterly Report for the period ended March 31, 2001 |
| 11/13/2000 |
10-Q
| Quarterly Report for the period ended September 30, 2000 |
|