| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/18/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
