| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/15/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 01/04/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |