| Date Filed | Type | Description |
| 05/09/2013 |
10-Q
| Quarterly Report for the period ended March 31, 2013 |
| 02/08/2013 |
10-Q
| Quarterly Report for the period ended December 31, 2012 |
| 11/06/2012 |
10-Q
| Quarterly Report for the period ended September 30, 2012 |
| 05/03/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 02/03/2012 |
10-Q
| Quarterly Report for the period ended December 31, 2011 |
| 10/31/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 05/09/2011 |
10-Q
| Quarterly Report for the period ended April 30, 2011 |
| 02/07/2011 |
10-Q
| Quarterly Report for the period ended December 31, 2010 |
| 11/08/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 04/30/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 01/28/2010 |
10-Q
| Quarterly Report for the period ended December 31, 2009 |
| 11/03/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 04/29/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 02/09/2009 |
10-Q
| Quarterly Report for the period ended December 31, 2008 |
| 10/30/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 05/05/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 01/30/2008 |
10-Q
| Quarterly Report for the period ended December 31, 2007 |
| 10/25/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 05/02/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 02/05/2007 |
10-Q
| Quarterly Report for the period ended December 31, 2006 |
| 10/26/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 04/26/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 01/24/2006 |
10-Q
| Quarterly Report for the period ended December 31, 2005 |
| 10/25/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 04/29/2005 |
10-Q
| Quarterly Report for the period ended March 31, 2005 |
| 01/27/2005 |
10-Q
| Quarterly Report for the period ended December 31, 2004 |
| 10/29/2004 |
10-Q
| Quarterly Report for the period ended September 30, 2004 |
| 04/29/2004 |
10-Q
| Quarterly Report for the period ended March 31, 2004 |
| 01/30/2004 |
10-Q
| Quarterly Report for the period ended December 31, 2003 |
| 11/12/2003 |
10-Q
| Quarterly Report for the period ended September 30, 2003 |
| 05/02/2003 |
10-Q
| Quarterly Report for the period ended March 31, 2003 |
| 01/31/2003 |
10-Q
| Quarterly Report for the period ended December 31, 2002 |
| 11/14/2002 |
10-Q
| Quarterly Report for the period ended September 30, 2002 |
| 05/14/2002 |
10-Q
| Quarterly Report for the period ended March 31, 2002 |
|