| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 11/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 06/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 06/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 03/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 |
