| Date Filed | Type | Description |
| 04/27/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 11/03/2011 |
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 |
| 05/07/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 11/04/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/05/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 05/08/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 10/31/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 08/04/2008 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |
| 05/09/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 11/02/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 08/03/2007 |
10-Q
| Quarterly Report for the period ended June 30, 2007 |
| 05/04/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 10/31/2006 |
10-Q
| Quarterly Report for the period ended September 30, 2006 |
| 08/04/2006 |
10-Q
| Quarterly Report for the period ended June 30, 2006 |