| Date Filed | Type | Description |
| 05/09/2012 |
10-Q
| Quarterly Report for the period ended March 31, 2012 |
| 11/08/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 08/08/2011 |
10-Q
| Quarterly Report for the period ended June 30, 2011 |
| 05/09/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 11/08/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 08/09/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 05/10/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 11/05/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/10/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 05/11/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 02/06/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 02/06/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2008 |
| 02/06/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 11/14/2001 |
10-Q
| Quarterly Report for the period ended September 30, 2001 |
| 08/15/2001 |
10-Q
| Quarterly Report for the period ended June 30, 2001 |
| 05/15/2001 |
10-Q
| Quarterly Report for the period ended March 31, 2001 |
| 01/26/2001 |
10-Q/A
| Quarterly Report for the period ended September 30, 2000 [amend] |
| 01/26/2001 |
10-Q/A
| Quarterly Report for the period ended June 30, 2000 [amend] |
| 10/31/2000 |
10-Q
| Quarterly Report for the period ended September 30, 2000 |
| 08/09/2000 |
10-Q
| Quarterly Report for the period ended June 30, 2000 |
| 05/11/2000 |
10-Q
| Quarterly Report for the period ended March 31, 2000 |
| 11/09/1999 |
10-Q
| Quarterly Report for the period ended September 30, 1999 |
| 08/12/1999 |
10-Q
| Quarterly Report for the period ended June 30, 1999 |
| 05/12/1999 |
10-Q/A
| Quarterly Report for the period ended March 31, 1999 [amend] |
| 05/11/1999 |
10-Q
| Quarterly Report for the period ended March 31, 1999 |
| 11/12/1998 |
10-Q
| Quarterly Report for the period ended September 30, 1998 |
| 08/13/1998 |
10-Q
| Quarterly Report for the period ended June 30, 1998 |
| 05/15/1998 |
10-Q
| Quarterly Report for the period ended March 31, 1998 |
| 12/12/1997 |
10-Q
| Quarterly Report for the period ended September 30, 1997 |