| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/31/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/31/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/14/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 12/07/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 11/30/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | ||
| 11/14/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
