| Date Filed | Type | Description |
| 02/14/2012 |
10-Q
| Quarterly Report for the period ended December 31, 2011 |
| 11/14/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 05/23/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 05/23/2011 |
10-Q/A
| Quarterly Report for the period ended December 31, 2010 [amend] |
| 05/23/2011 |
10-Q/A
| Quarterly Report for the period ended September 30, 2010 [amend] |
| 02/14/2011 |
10-Q
| Quarterly Report for the period ended December 31, 2010 |
| 11/15/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 05/17/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 02/16/2010 |
10-Q
| Quarterly Report for the period ended December 31, 2009 |
| 11/16/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 05/15/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
| 02/17/2009 |
10-Q
| Quarterly Report for the period ended December 31, 2008 |
| 11/14/2008 |
10-Q
| Quarterly Report for the period ended September 30, 2008 |
| 05/15/2008 |
10-Q
| Quarterly Report for the period ended March 31, 2008 |
| 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 |
| 09/27/2006 |
10-Q/A
| Quarterly Report for the period ended December 31, 2005 [amend] |
| 05/12/2006 |
10-Q
| Quarterly Report for the period ended March 31, 2006 |
| 02/13/2006 |
10-Q
| Quarterly Report for the period ended December 31, 2005 |
| 11/14/2005 |
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 |
| 05/13/2004 |
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 |
| 11/14/2003 |
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 |
| 11/19/2002 |
10-Q
| Quarterly Report for the period ended September 30, 2002 |
| 05/15/2002 |
10-Q
| Quarterly Report for the period ended March 31, 2002 |
| 02/14/2002 |
10-Q
| Quarterly Report for the period ended December 31, 2001 |
|