| Date Filed | Type | Description |
| 05/09/2013 |
10-Q
| Quarterly Report for the period ended March 31, 2013 |
| 02/07/2013 |
10-Q
| Quarterly Report for the period ended December 31, 2012 |
| 11/09/2012 |
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 |
| 02/09/2012 |
10-Q
| Quarterly Report for the period ended December 31, 2011 |
| 11/08/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 05/10/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 02/09/2011 |
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 |
| 05/05/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 02/04/2010 |
10-Q
| Quarterly Report for the period ended December 31, 2009 |
| 10/30/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 04/30/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 02/04/2009 |
10-Q
| Quarterly Report for the period ended December 31, 2008 |
| 10/31/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 05/09/2008 |
10-Q
| Quarterly Report for the period ended May 9, 2008 |
| 02/07/2008 |
10-Q
| Quarterly Report for the period ended December 31, 2007 |
| 11/07/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 05/09/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 02/06/2007 |
10-Q
| Quarterly Report for the period ended December 31, 2006 |
| 11/07/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 05/10/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 02/08/2006 |
10-Q
| Quarterly Report for the period ended December 31, 2005 |
| 11/08/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 05/09/2005 |
10-Q
| Quarterly Report for the period ended March 31, 2005 |
| 02/08/2005 |
10-Q
| Quarterly Report for the period ended December 31, 2004 |
| 11/05/2004 |
10-Q
| Quarterly Report for the period ended September 30, 2004 |
| 05/14/2004 |
10-Q
| Quarterly Report for the period ended March 31, 2004 |
| 02/13/2004 |
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 |
| 05/14/2003 |
10-Q
| Quarterly Report for the period ended March 31, 2003 |
| 02/12/2003 |
10-Q
| Quarterly Report for the period ended December 31, 2002 |
| 11/12/2002 |
10-Q
| Quarterly Report for the period ended September 30, 2002 |
| 05/15/2002 |
10-Q
| Quarterly Report for the period ended March 31, 2002 |
|