| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/28/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 10/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/08/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/05/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/05/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
