| Date Filed | Type | Description |
| 02/14/2008 |
10-Q
| Quarterly Report for the period ended December 31, 2007 |
| 11/14/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 05/15/2007 |
10-Q
| Quarterly Report for the period ended March 31, 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 |
| 05/15/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 02/14/2006 |
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 |
| 05/16/2005 |
10-Q
| Quarterly Report for the period ended March 31, 2005 |
| 02/14/2005 |
10-Q
| Quarterly Report for the period ended December 31, 2004 |
| 11/15/2004 |
10-Q
| Quarterly Report for the period ended September 30, 2004 |
| 05/17/2004 |
10-Q
| Quarterly Report for the period ended March 31, 2004 |
| 02/17/2004 |
10-Q
| Quarterly Report for the period ended December 31, 2003 |
| 11/07/2003 |
10-Q
| Quarterly Report for the period ended September 30, 2003 |
| 05/15/2003 |
10-Q
| Quarterly Report for the period ended March 31, 2003 |
| 02/13/2003 |
10-Q
| Quarterly Report for the period ended December 31, 2002 |
| 11/14/2002 |
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 |
| 02/13/2002 |
10-Q
| Quarterly Report for the period ended December 31, 2001 |
| 11/09/2001 |
10-Q
| Quarterly Report for the period ended September 30, 2001 |
| 05/15/2001 |
10-Q
| Quarterly Report for the period ended March 31, 2001 |
| 02/14/2001 |
10-Q
| Quarterly Report for the period ended December 31, 2000 |
| 11/14/2000 |
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 |
| 02/14/2000 |
10-Q
| Quarterly Report for the period ended December 31, 1999 |
| 11/15/1999 |
10-Q
| Quarterly Report for the period ended September 30, 1999 |
| 05/13/1999 |
10-Q
| Quarterly Report for the period ended March 31, 1999 |
| 02/12/1999 |
10-Q
| Quarterly Report for the period ended December 31, 1998 |
| 11/13/1998 |
10-Q
| Quarterly Report for the period ended September 30, 1998 |
| 05/13/1998 |
10-Q
| Quarterly Report for the period ended March 31, 1998 |
| 02/17/1998 |
10-Q
| Quarterly Report for the period ended December 31, 1997 |
| 11/13/1997 |
10-Q
| Quarterly Report for the period ended September 30, 1997 |
| 05/15/1997 |
10-Q
| Quarterly Report for the period ended March 31, 1997 |
| 02/14/1997 |
10-Q
| Quarterly Report for the period ended December 31, 1996 |
|