| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/22/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/20/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/08/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/17/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/31/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |