| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/31/11 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 09/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |