| Date | Form | Description | Docs | XBRL | Pages |
| 02/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/27/12 | DEF 14A | Definitive proxy statements |
|
39 | |
| 01/25/12 | 8-K | Current report filing |
|
3 | |
| 01/20/12 | 8-K | Current report filing |
|
3 | |
| 01/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/17/12 | 8-K | Current report filing |
|
6 |