| Date Filed | Type | Description |
| 05/04/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 11/07/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 07/29/2011 |
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 |
| 11/04/2010 |
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 |
| 04/30/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 11/05/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/06/2009 |
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 |
| 10/31/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 08/08/2008 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |
| 05/01/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 11/06/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 08/02/2007 |
10-Q
| Quarterly Report for the period ended June 30, 2007 |
| 04/27/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 11/09/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 08/09/2006 |
10-Q
| Quarterly Report for the period ended June 30, 2006 |
| 05/10/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 11/09/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 08/08/2005 |
10-Q
| Quarterly Report for the period ended June 30, 2005 |
| 05/10/2005 |
10-Q
| Quarterly Report for the period ended March 31, 2005 |
| 11/12/2004 |
10-Q
| Quarterly Report for the period ended September 30, 2004 |
| 07/19/2004 |
10-Q
| Quarterly Report for the period ended June 30, 2004 |
| 05/10/2004 |
10-Q
| Quarterly Report for the period ended March 31, 2004 |
| 10/21/2003 |
10-Q
| Quarterly Report for the period ended September 30, 2003 |
| 08/14/2003 |
10-Q
| Quarterly Report for the period ended June 30, 2003 |
| 05/15/2003 |
10-Q
| Quarterly Report for the period ended March 31, 2003 |
| 11/14/2002 |
10-Q
| Quarterly Report for the period ended September 30, 2002 |
| 08/14/2002 |
10-Q
| Quarterly Report for the period ended June 30, 2002 |
| 05/15/2002 |
10-Q
| Quarterly Report for the period ended March 31, 2002 |
| 11/14/2001 |
10-Q
| Quarterly Report for the period ended September 30, 2001 |
| 08/09/2001 |
10-Q
| Quarterly Report for the period ended June 30, 2001 |
| 05/11/2001 |
10-Q
| Quarterly Report for the period ended March 31, 2001 |