| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 07/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/29/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/29/12 | S-8 | Form S-8: Initial registration statement for securities to be offered to employees pursuant to employee benefit plans | 30 |