| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 02/01/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 |