| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/17/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 02/13/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |
