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