| Date | Filing / XBRL Files | Description |
|---|---|---|
| 2/3/2012 | 8-K | Current Report |
| 1/10/2012 | 8-K | Current Report |
| 12/15/2011 | 8-K | Current Report |
| 11/16/2011 | 8-K | Current Report |
| 11/11/2011 | 8-K | Current Report |
| 11/10/2011 | 10-Q / A-1 | Quarterly Report |
| 10/27/2011 | 8-K | Current Report |
| 9/21/2011 | DEF 14A | Proxy Statement |
| 9/16/2011 | 10-Q / A-1 | Annual Report |
| 9/7/2011 | 8-K | Current Report |
| 8/15/2011 | 10-Q | Quarterly Report |
| 8/12/2011 | 8-K | Current Report |
| 7/14/2011 | 8-K | Current Report |
| 6/15/2011 | 8-K | Current Report |
| 5/24/2011 | 8-K | Current Report |
| 5/13/2011 | 8-K | Current Report |
| 5/13/2011 | 10-Q | Quarterly Report |
| 5/6/2011 | 8-K | Current Report |
| 4/19/2011 | 8-K | Current Report |
| 3/30/2011 | 10-K | Annual Report |
| 3/30/2011 | 8-K | Current Report |
| 3/21/2011 | 8-K | Current Report |
| 2/11/2011 | 8-K | Current Report |
| 1/20/2011 | 8-K | Current Report |
| 1/14/2011 | 8-K | Current Report |
| 1/10/2011 | 8-K | Current Report |
| 12/20/2010 | 8-K | Current Report |
| 12/20/2010 | 8-A-A | Current Report |
| 11/30/2010 | 8-K | Current Report |
| 11/15/2010 | 8-K | Current Report |
| 11/12/2010 | 10-Q | Quarterly Report |
| 11/03/2010 | 8-K | Current Report |
| 10/18/2010 | 8-K | Current Report |
| 10/08/2010 | 8-K | Current Report |
| 10/07/2010 | 8-K | Current Report |
| 9/1/2010 | 8-K | Current Report |
| 8/13/2010 | 10-Q | Quarterly Report |
| 7/16/2010 | DEF 14A | Proxy Statement |
| 5/28/2010 | 8-K | Current Report |
| 5/21/2010 | 8-K | Current Report |
| 5/14/2010 | 10-Q | Quarterly Report |
| 4/26/2010 | 8-K | Current Report |
| 4/1/2010 | 8-K | Current Report |
| 3/30/2010 | 10-K | Annual Report |
| 1/12/2010 | 8-K | Current Report |
| 12/18/2009 | 8-K | Current Report |
| 11/17/2009 | 8-K | Current Report |
| 11/16/2009 | 8-K | Current Report |
| 11/16/2009 | 8-K | Current Report |
| 11/16/2009 | 10-Q | Quarterly Report |
| 11/9/2009 | 8K | Current Report |
| 9/25/2009 | DEF 14A | Proxy Statement |
| 8/31/2009 | 8-K | Current Report |
| 8/17/2009 | 8-K | Current Report |
| 8/14/2009 | 10-Q | Quarterly Report |
| 6/23/2009 | 8-K | Current Report |
| 5/18/2009 | 8-K | Current Report |
| 5/15/2009 | 10-Q | Quarterly Report |
| 5/14/2009 | 8-K | Current Report |
| 5/12/2009 | 8-K | Current Report |
| 4/23/2009 | 8-K | Current Report |
| 4/13/2009 | 8-K | Current Report |
| 3/30/2009 | 8-K | Current Report |
| 3/30/2009 | 10-K | Annual Report |
| 3/24/2009 | 8-K | Current Report |
| 12/19/2008 | 8-K | Current Report |
| 11/27/2008 | DEF 14A | Proxy Statement |
| 11/17/2008 | 8-K | Current Report |
| 11/14/2008 | 10-Q | Quarterly Report |
| 11/13/2008 | 8-K | Current Report |
| 11/7/2008 | 8-K | Current Report |
| 10/23/2008 | 8-K | Current Report |
| 9/8/2008 | 8-K | Current Report |
| 8/14/2008 | 8-K | Current Report |
| 8/14/2008 | 10-Q | Quarterly Report |
| 7/21/2008 | 8-K | Current Report |
| 7/2/2008 | 8-K | Current Report |
| 5/15/2008 | 10-Q | Quarterly Report |
| 5/14/2008 | 8-K | Current Report |
| 4/4/2008 | 10-K | Annual Report |
| 4/3/2008 | 8-K | Current Report |
| 2/25/2008 | 8-K | Current Report |
| 11/19/2007 | 10-Q | Quarterly Report |
| 8/14/2007 | 10-Q | Quarterly Report |
| 5/18/2007 | 10-Q | Quarterly Report |
| 4/2/2007 | 10-K | Annual Report |