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