| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/12 | 8-K | Form 8-K: Current report filing | 3 | |
| 02/28/12 | 424B5 | Form 424B5: Prospectus filed pursuant to Rule 424(b)(5) | 71 |