| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/20/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
