| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |
