| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/05/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |