| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/23/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/23/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/23/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/23/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/21/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |