| Date Filed | Type | Description |
| 05/02/2013 |
10-Q
| Quarterly Report for the period ended March 31, 2013 |
| 01/31/2013 |
10-Q
| Quarterly Report for the period ended December 31, 2012 |
| 10/31/2012 |
10-Q
| Quarterly Report for the period ended September 30, 2012 |
| 05/02/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 02/02/2012 |
10-Q
| Quarterly Report for the period ended December 31, 2011 |
| 11/03/2011 |
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 |
| 02/08/2011 |
10-Q
| Quarterly Report for the period ended December 31, 2010 |
| 11/09/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 05/11/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 02/09/2010 |
10-Q
| Quarterly Report for the period ended December 31, 2009 |
| 11/10/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 05/12/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 02/12/2009 |
10-Q
| Quarterly Report for the period ended December 31, 2008 |
| 11/12/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 05/13/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 02/12/2008 |
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 |
| 05/09/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 02/13/2007 |
10-Q
| Quarterly Report for the period ended December 31, 2006 |
| 11/09/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 05/12/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 02/09/2006 |
10-Q
| Quarterly Report for the period ended December 31, 2005 |
| 11/09/2005 |
10-Q
| Quarterly Report for the period ended September 30, 2005 |
| 05/10/2005 |
10-Q
| Quarterly Report for the period ended March 31, 2005 |
| 02/10/2005 |
10-Q
| Quarterly Report for the period ended December 31, 2004 |
| 05/11/2004 |
10-Q
| Quarterly Report for the period ended March 31, 2004 |
| 02/10/2004 |
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 |
| 05/13/2003 |
10-Q
| Quarterly Report for the period ended March 31, 2003 |
| 02/11/2003 |
10-Q
| Quarterly Report for the period ended December 31, 2002 |
| 11/12/2002 |
10-Q/A
| Quarterly Report for the period ended September 30, 2002 [amend] |
| 11/12/2002 |
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 |