| Date Filed | Type | Description |
| 08/14/2012 |
10-Q
| Quarterly Report for the period ended June 30, 2012 |
| 02/14/2012 |
10-Q
| Quarterly Report for the period ended December 31, 2011 |
| 11/14/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 08/15/2011 |
10-Q
| Quarterly Report for the period ended June 30, 2011 |
| 02/14/2011 |
10-Q
| Quarterly Report for the period ended December 31, 2010 |
| 11/15/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 08/16/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 02/12/2010 |
10-Q
| Quarterly Report for the period ended December 31, 2009 |
| 11/16/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/14/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 02/13/2009 |
10-Q
| Quarterly Report for the period ended December 31, 2008 |
| 11/13/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 08/12/2008 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |
| 02/14/2008 |
10-Q
| Quarterly Report for the period ended December 31, 2007 |
| 11/13/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 08/14/2007 |
10-Q
| Quarterly Report for the period ended June 30, 2007 |
| 02/14/2007 |
10-Q
| Quarterly Report for the period ended December 31, 2006 |
| 11/14/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 08/14/2006 |
10-Q
| Quarterly Report for the period ended June 30, 2006 |
| 02/09/2006 |
10-Q
| Quarterly Report for the period ended December 31, 2005 |
| 11/10/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 08/11/2005 |
10-Q
| Quarterly Report for the period ended June 30, 2005 |
| 02/10/2005 |
10-Q
| Quarterly Report for the period ended December 31, 2004 |
| 11/12/2004 |
10-Q
| Quarterly Report for the period ended September 30, 2004 |
| 08/12/2004 |
10-Q
| Quarterly Report for the period ended June 30, 2004 |
| 02/13/2004 |
10-Q
| Quarterly Report for the period ended December 31, 2003 |
| 11/13/2003 |
10-Q
| Quarterly Report for the period ended September 30, 2003 |
| 08/13/2003 |
10-Q
| Quarterly Report for the period ended June 30, 2003 |
| 02/12/2003 |
10-Q
| Quarterly Report for the period ended December 31, 2002 |
| 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 |
| 02/13/2002 |
10-Q
| Quarterly Report for the period ended December 31, 2001 |
| 11/13/2001 |
10-Q
| Quarterly Report for the period ended September 30, 2001 |
| 08/13/2001 |
10-Q
| Quarterly Report for the period ended June 30, 2001 |
|