| Date Filed | Type | Description |
| 11/05/2013 |
10-Q
| Quarterly Report for the period ended March 31, 2013 |
| 02/19/2013 |
10-Q
| Quarterly Report for the period ended December 31, 2012 |
| 08/20/2012 |
10-Q
| Quarterly Report for the period ended June 30, 2012 |
| 05/21/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 02/21/2012 |
10-Q
| Quarterly Report for the period ended December 31, 2011 |
| 08/22/2011 |
10-Q
| Quarterly Report for the period ended June 30, 2011 |
| 05/16/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 02/22/2011 |
10-Q
| Quarterly Report for the period ended December 31, 2010 |
| 08/23/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 05/17/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 02/19/2010 |
10-Q
| Quarterly Report for the period ended December 31, 2009 |
| 08/14/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 05/20/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 02/23/2009 |
10-Q
| Quarterly Report for the period ended December 31, 2008 |
| 05/15/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 05/10/2001 |
10-Q
| Quarterly Report for the period ended March 31, 2001 |
| 02/13/2001 |
10-Q
| Quarterly Report for the period ended December 31, 2000 |
| 11/13/2000 |
10-Q
| Quarterly Report for the period ended September 30, 2000 |
| 05/15/2000 |
10-Q
| Quarterly Report for the period ended March 31, 2000 |
| 02/17/2000 |
10-Q
| Quarterly Report for the period ended December 31, 1999 |
| 12/30/1999 |
10-Q
| Quarterly Report for the period ended September 30, 1999 |