| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/20/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/08/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/08/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/08/07 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 2 | |
| 01/08/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/14/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/14/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/15/06 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |