| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 02/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 02/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 02/09/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 02/09/12 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | ||
| 01/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/27/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 12/01/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 11/21/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 11/17/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
