| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/28/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/28/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/21/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/15/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/15/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/15/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/09/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/11/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/31/06 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 |