| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 09/26/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 09/26/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 09/26/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |