| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 05/16/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | ||
| 01/03/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | ||
| 12/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
