| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 03/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 02/29/12 | 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 | 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 |
