| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/07/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 06/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |