| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
