| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/02/12 | 8-K | Form 8-K: Current report filing | 19 | |
| 01/31/12 | SC 13G | Form SC 13G: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 6 | |
| 01/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |