| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 10/10/12 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 10/05/12 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 10/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |