| Date | Form | Description | XBRL |
|---|---|---|---|
| 07/23/13 | UPLOAD | Form UPLOAD: SEC-generated letter | |
| 07/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 07/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 07/17/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 07/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 07/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 07/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 06/14/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 06/06/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 05/29/13 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities |