| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/29/12 | 424B2 | Form 424B2: Prospectus filed pursuant to Rule 424(b)(2) | 74 |