| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
